--- title: Why are some feature(s) on my controller/modules are missing. description: Thinkgrow and Trolmaster Knowledge Base --- [Skip to content](https://kb.trolmaster.com/hc/en-us/articles/20338670525981-why-are-some-feature-s-on-my-controller-modules-are-missing#main-content) [![TM\_logo\_transparentBG (250 x 100 px)](https://kb.trolmaster.com/hubfs/TM_logo_transparentBG%20(250%20x%20100%20px).svg)](https://www.trolmaster.com) - Start - Produkte - Preise - Blog - Unternehmen Open main navigation Close main navigation - Start - Produkte - Preise - Blog - Unternehmen - [Contact us](https://rircy.share.hsforms.com/22CCHPVdFQBCsAtrt14vkjw) [Contact us](https://rircy.share.hsforms.com/22CCHPVdFQBCsAtrt14vkjw) TrolMaster Help Center - There are no suggestions because the search field is empty. 1. [Trolmaster Help Center](https://kb.trolmaster.com/?hsLang=en) 2. [FAQ + Troubleshooting](https://kb.trolmaster.com/faq-troubleshooting?hsLang=en) 3. [Troubleshooting](https://kb.trolmaster.com/faq-troubleshooting?hsLang=en#troubleshooting) # Why are some feature(s) on my controller/modules are missing. ## Does my TrolMaster controller or module need a firmware update? Outdated firmware is one of the most common reasons a TrolMaster controller or module underperforms straight out of the box — and it is entirely avoidable. Yes, even brand-new hardware may ship with firmware that is not the latest version. TrolMaster releases updates regularly to resolve known bugs and unlock additional hardware capabilities. Check for updates immediately after purchase before commissioning any device. ## How do I update my TrolMaster firmware? To update your TrolMaster firmware, follow the official step-by-step video tutorial linked below. The process applies to both controllers and modules, and keeping firmware current ensures full hardware capability. 1. Open the firmware update tutorial: [https://www.youtube.com/watch?v=NveUp6XFRZI](https://www.youtube.com/watch?v=NveUp6XFRZI) 2. Follow the steps demonstrated in the video for your specific controller or module. Stop running outdated firmware — update your TrolMaster hardware now and ensure every controller and module in your facility is operating at full capability before your next grow cycle. - [FAQ + Troubleshooting](https://kb.trolmaster.com/faq-troubleshooting?hsLang=en#main-content) - [Calibration](https://kb.trolmaster.com/faq-troubleshooting?hsLang=en#calibration) - [Setpoints](https://kb.trolmaster.com/faq-troubleshooting?hsLang=en#setpoints) - [Firmware](https://kb.trolmaster.com/faq-troubleshooting?hsLang=en#firmware) - [FAQ](https://kb.trolmaster.com/faq-troubleshooting?hsLang=en#faq) - [Troubleshooting](https://kb.trolmaster.com/faq-troubleshooting?hsLang=en#troubleshooting) - [General Information](https://kb.trolmaster.com/general-information?hsLang=en#main-content) - [Controllers](https://kb.trolmaster.com/general-information?hsLang=en#controllers) - [Reset Password](https://kb.trolmaster.com/general-information?hsLang=en#reset-password) - [API](https://kb.trolmaster.com/general-information?hsLang=en#api) - 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[Model-C Clone LED Light](https://kb.trolmaster.com/thinkgrow-led-lamps?hsLang=en#model-c-clone-led-light) - [LED Light multibar (Model-H, Model-W, Model-V)](https://kb.trolmaster.com/thinkgrow-led-lamps?hsLang=en#led-light-multibar-model-h-model-w-model-v) - [Aero-Fan Ventilation](https://kb.trolmaster.com/aero-fan-ventilation?hsLang=en#main-content) - [Smart Fan Remote (FRC-1, FRC-2)](https://kb.trolmaster.com/aero-fan-ventilation?hsLang=en#smart-fan-remote-frc-1-frc-2) - [6" (150mm) Inline Duct Ventilation Fan (V-6)](https://kb.trolmaster.com/aero-fan-ventilation?hsLang=en#6-150mm-inline-duct-ventilation-fan-v-6) - [8" (200mm) Inline Duct Ventilation Fan (V-8)](https://kb.trolmaster.com/aero-fan-ventilation?hsLang=en#8-200mm-inline-duct-ventilation-fan-v-8) - [10" (250mm) Inline Duct Ventilation Fan (V-10)](https://kb.trolmaster.com/aero-fan-ventilation?hsLang=en#10-250mm-inline-duct-ventilation-fan-v-10) - [12" (315mm) Inline Duct Ventilation Fan (V-12)](https://kb.trolmaster.com/aero-fan-ventilation?hsLang=en#12-315mm-inline-duct-ventilation-fan-v-12) - [10" (250mm) Metall Inline Duct Ventilation Fan (V-10M)](https://kb.trolmaster.com/aero-fan-ventilation?hsLang=en#10-250mm-metall-inline-duct-ventilation-fan-v-10m) - [12" (300mm) Metall Inline Duct Ventilation Fan (V-12M)](https://kb.trolmaster.com/aero-fan-ventilation?hsLang=en#12-300mm-metall-inline-duct-ventilation-fan-v-12m) - [20" (500mm) High Velocity Fan (HE-20)](https://kb.trolmaster.com/aero-fan-ventilation?hsLang=en#20-500mm-high-velocity-fan-he-20) - [20" (500mm) High Velocity Fan Pro Model (HE-20M)](https://kb.trolmaster.com/aero-fan-ventilation?hsLang=en#20-500mm-high-velocity-fan-pro-model-he-20m) - [Accessories](https://kb.trolmaster.com/aero-fan-ventilation?hsLang=en#accessories) - [Climate Sensors and Medium Sensors](https://kb.trolmaster.com/climate-sensors-and-medium-sensors?hsLang=en#main-content) - [4-in-1 Sensor Temp/Humid/CO2/Light on-off (MBS-PRO)](https://kb.trolmaster.com/climate-sensors-and-medium-sensors?hsLang=en#4-in-1-sensor-temp-humid-co2-light-on-off-mbs-pro) - [3-in-1 Temp/Humid/Light On/Off Sensor (MBS-TH)](https://kb.trolmaster.com/climate-sensors-and-medium-sensors?hsLang=en#3-in-1-temp-humid-light-on-off-sensor-mbs-th) - [Full Spectrum Quantum Sensor (MBS-PAR)](https://kb.trolmaster.com/climate-sensors-and-medium-sensors?hsLang=en#full-spectrum-quantum-sensor-mbs-par) - [3-in-1 Water Content Sensor (WCS-2)](https://kb.trolmaster.com/climate-sensors-and-medium-sensors?hsLang=en#3-in-1-water-content-sensor-wcs-2) - [Water Content Sensor 3 (WCS-3)](https://kb.trolmaster.com/climate-sensors-and-medium-sensors?hsLang=en#water-content-sensor-3-wcs-3) - [CO2 Sensor (MBS-S8)](https://kb.trolmaster.com/climate-sensors-and-medium-sensors?hsLang=en#co2-sensor-mbs-s8) - [CO2 Sensor for Carbon-X (MBS-K30)](https://kb.trolmaster.com/climate-sensors-and-medium-sensors?hsLang=en#co2-sensor-for-carbon-x-mbs-k30) - [Smoke Detector (MBS-SD)](https://kb.trolmaster.com/climate-sensors-and-medium-sensors?hsLang=en#smoke-detector-mbs-sd) - [4-in-1 Sensor for Green-X Controller (MBS-GH)](https://kb.trolmaster.com/climate-sensors-and-medium-sensors?hsLang=en#4-in-1-sensor-for-green-x-controller-mbs-gh) - [Weather Station Sensor (MBS-WS)](https://kb.trolmaster.com/climate-sensors-and-medium-sensors?hsLang=en#weather-station-sensor-mbs-ws) - [Weather Station Splitter (WSP-1)](https://kb.trolmaster.com/climate-sensors-and-medium-sensors?hsLang=en#weather-station-splitter-wsp-1) - [Water and Nutrient Sensors](https://kb.trolmaster.com/water-and-nutrient-sensors?hsLang=en#main-content) - [Inline/Reservoir EC/Temp Sensors (PCT-1, PCT-2, PCT-3)](https://kb.trolmaster.com/water-and-nutrient-sensors?hsLang=en#inline-reservoir-ec-temp-sensors-pct-1-pct-2-pct-3) - [Inline/Reservoir pH Sensor (PPH-1, PPH-2, PPH-3)](https://kb.trolmaster.com/water-and-nutrient-sensors?hsLang=en#inline-reservoir-ph-sensor-pph-1-pph-2-pph-3) - [Sensor Boards for pH and EC Sensors (AMP-2, AMP-3)](https://kb.trolmaster.com/water-and-nutrient-sensors?hsLang=en#sensor-boards-for-ph-and-ec-sensors-amp-2-amp-3) - [Substrate Sensor Set for VWC, EC & Temp (WCS-9)](https://kb.trolmaster.com/water-and-nutrient-sensors?hsLang=en#substrate-sensor-set-for-vwc-ec-temp-wcs-9) - [Substrate Sensor Node (WN-9)](https://kb.trolmaster.com/water-and-nutrient-sensors?hsLang=en#substrate-sensor-node-wn-9) - [Water Detector (WD-1)](https://kb.trolmaster.com/water-and-nutrient-sensors?hsLang=en#water-detector-wd-1) - [Device Stations and Adapters](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#main-content) - [EC Fan Control Adapter (EFC-1)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#ec-fan-control-adapter-efc-1) - [AC Remote Station (ARS-1)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#ac-remote-station-ars-1) - [Temperature Device Station (DST-1, DST-2)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#temperature-device-station-dst-1-dst-2) - [Thermostat Station (TS-1)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#thermostat-station-ts-1) - [Thermostat Station (TS-2)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#thermostat-station-ts-2) - [Reheat Station (TS-3)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#reheat-station-ts-3) - [Humidity Device Station (DSH-1, DSH-2)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#humidity-device-station-dsh-1-dsh-2) - [Humidistat Station (HS-1)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#humidistat-station-hs-1) - [CO2 Device Station (DSC-1, DSC-2)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#co2-device-station-dsc-1-dsc-2) - [Program Device Station (DSP-1, DSP-2)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#program-device-station-dsp-1-dsp-2) - [Device Station Kit (4RS-2)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#device-station-kit-4rs-2) - [Expander Station 4 (4RS-1)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#expander-station-4-4rs-1) - [Dual Condition Adapters (DCC-1, DCC-2)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#dual-condition-adapters-dcc-1-dcc-2) - [Dry Contact Board (OM-8)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#dry-contact-board-om-8) - [Dry Contact Stations (DSD-1, DSD-2, DSD-3)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#dry-contact-stations-dsd-1-dsd-2-dsd-3) - [Low-Volt Station (DSV-1, DSV-2)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#low-volt-station-dsv-1-dsv-2) - [Motor Control Dry Contact Station (RMC-1)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#motor-control-dry-contact-station-rmc-1) - [VFD Station for VFD Fan Speed Control (VFD-1)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#vfd-station-for-vfd-fan-speed-control-vfd-1) - [Variable Frequency Drive for AC Motors Speed Controls (Delta-1)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#variable-frequency-drive-for-ac-motors-speed-controls-delta-1) - [AC Remote Station (ARS-2)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#ac-remote-station-ars-2) - [25Amps Relay Device Station (DSR-1)](https://kb.trolmaster.com/device-stations-and-adapters?hsLang=en#25amps-relay-device-station-dsr-1) - 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[1.25" Digital Flow Meter (DFM-2)](https://kb.trolmaster.com/control-boards-and-flow-meters?hsLang=en#1-25-digital-flow-meter-dfm-2) - [1.5" Digital Flow Meter (DFM-3)](https://kb.trolmaster.com/control-boards-and-flow-meters?hsLang=en#1-5-digital-flow-meter-dfm-3) - [Lighting Control](https://kb.trolmaster.com/lighting-control?hsLang=en#main-content) - [Light Adapter ThinkGrow (LMA-T)](https://kb.trolmaster.com/lighting-control?hsLang=en#light-adapter-thinkgrow-lma-t) - [Light Adapter Group Control (LMA-G)](https://kb.trolmaster.com/lighting-control?hsLang=en#light-adapter-group-control-lma-g) - [Light Adapter to Convert 0-10V Signals to Digital Signals to Control ThinkGrow LEDs (LMA-9)](https://kb.trolmaster.com/lighting-control?hsLang=en#light-adapter-to-convert-0-10v-signals-to-digital-signals-to-control-thinkgrow-leds-lma-9) - [Light Adapter 0-10V (LMA-14)](https://kb.trolmaster.com/lighting-control?hsLang=en#light-adapter-0-10v-lma-14) - [Group Control Adapter for 0-10V Protocol (LMA-14G)](https://kb.trolmaster.com/lighting-control?hsLang=en#group-control-adapter-for-0-10v-protocol-lma-14g) - [Light Adapter Lantern Schedule (LMA-24)](https://kb.trolmaster.com/lighting-control?hsLang=en#light-adapter-lantern-schedule-lma-24) - [Light Adapter Phantom (LMA-11)](https://kb.trolmaster.com/lighting-control?hsLang=en#light-adapter-phantom-lma-11) - [Light Adapter Dimlux (LMA-12)](https://kb.trolmaster.com/lighting-control?hsLang=en#light-adapter-dimlux-lma-12) - [Light Adapter SunSystem (LMA-13)](https://kb.trolmaster.com/lighting-control?hsLang=en#light-adapter-sunsystem-lma-13) - [Light Adapter Dutch Lighting Innovations (LMA-15)](https://kb.trolmaster.com/lighting-control?hsLang=en#light-adapter-dutch-lighting-innovations-lma-15) - [ThinkGrow Cable Management System](https://kb.trolmaster.com/thinkgrow-cable-management-system?hsLang=en#main-content) - [Daisy Chain Power Cord System (DCA-10, DCA-12, DCA-14, DEA-10L, DEA-10, DEA-12, DEA-14)](https://kb.trolmaster.com/thinkgrow-cable-management-system?hsLang=en#daisy-chain-power-cord-system-dca-10-dca-12-dca-14-dea-10l-dea-10-dea-12-dea-14) - [Cable Management Model One LED System (TDC-1, TDC-2, TDC-3, TDC-4, TDC-120, TDC-240, TDC-240E)](https://kb.trolmaster.com/thinkgrow-cable-management-system?hsLang=en#cable-management-model-one-led-system-tdc-1-tdc-2-tdc-3-tdc-4-tdc-120-tdc-240-tdc-240e) - [Smart Junction Box (OPA-2)](https://kb.trolmaster.com/thinkgrow-cable-management-system?hsLang=en#smart-junction-box-opa-2) - [ThinkGrow Accessoires](https://kb.trolmaster.com/thinkgrow-accessoires?hsLang=en#main-content) - [Smart Light Lifter (LLT-1)](https://kb.trolmaster.com/thinkgrow-accessoires?hsLang=en#smart-light-lifter-llt-1) - [Smart Light Lifter (LLT-2)](https://kb.trolmaster.com/thinkgrow-accessoires?hsLang=en#smart-light-lifter-llt-2) - [Smart Light Lifter (LLT-3)](https://kb.trolmaster.com/thinkgrow-accessoires?hsLang=en#smart-light-lifter-llt-3) - [Smart Lifter Remote (LRC-1)](https://kb.trolmaster.com/thinkgrow-accessoires?hsLang=en#smart-lifter-remote-lrc-1) - [Vertical LED Stands for Inner-Canopy Lamps](https://kb.trolmaster.com/thinkgrow-accessoires?hsLang=en#vertical-led-stands-for-inner-canopy-lamps) - [Lifter Rigging Cable Kit (RC-1)](https://kb.trolmaster.com/thinkgrow-accessoires?hsLang=en#lifter-rigging-cable-kit-rc-1) - [Unitstrut Hanger for Model-H/H Plus/W/V (UH-1) and Model-I/I Plus (UH-2)](https://kb.trolmaster.com/thinkgrow-accessoires?hsLang=en#unitstrut-hanger-for-model-h-h-plus-w-v-uh-1-and-model-i-i-plus-uh-2) - [Alarm Station](https://kb.trolmaster.com/alarm-station?hsLang=en#main-content) - [CO2 Alarm Station (AS-1)](https://kb.trolmaster.com/alarm-station?hsLang=en#co2-alarm-station-as-1) - [CO2 Alarm Station, mixed color (AS-2)](https://kb.trolmaster.com/alarm-station?hsLang=en#co2-alarm-station-mixed-color-as-2) - [CO2 Alarm Station, orange (AS-3)](https://kb.trolmaster.com/alarm-station?hsLang=en#co2-alarm-station-orange-as-3) - [CO2 Alarm Station, blue (AS-4)](https://kb.trolmaster.com/alarm-station?hsLang=en#co2-alarm-station-blue-as-4) - [CO2 Alarm Siren (AS-5)](https://kb.trolmaster.com/alarm-station?hsLang=en#co2-alarm-siren-as-5) - [Cables and Connections](https://kb.trolmaster.com/cables-and-connections?hsLang=en#main-content) - [RJ12 Extension Cable Set (ECS-1)](https://kb.trolmaster.com/cables-and-connections?hsLang=en#rj12-extension-cable-set-ecs-1) - [RJ12 to 3 Pins IP67 Plug Cable Set (ECS-3)](https://kb.trolmaster.com/cables-and-connections?hsLang=en#rj12-to-3-pins-ip67-plug-cable-set-ecs-3) - [4,9m Extension Cable for AMP-2 Sensor Board (ECS-4)](https://kb.trolmaster.com/cables-and-connections?hsLang=en#49m-extension-cable-for-amp-2-sensor-board-ecs-4) - [RJ12 to PushLock Waterproof Connector Cable Set (ECS-5)](https://kb.trolmaster.com/cables-and-connections?hsLang=en#rj12-to-pushlock-waterproof-connector-cable-set-ecs-5) - [4,9m 4-Pin Extension Cable (ECS-6)](https://kb.trolmaster.com/cables-and-connections?hsLang=en#49m-4-pin-extension-cable-ecs-6) - [4-Pin 3,7m Daisy chain control cable (ECS-7)](https://kb.trolmaster.com/cables-and-connections?hsLang=en#4-pin-37m-daisy-chain-control-cable-ecs-7) - [9,8m Extension Cable for IR Emitter (ECS-8)](https://kb.trolmaster.com/cables-and-connections?hsLang=en#98m-extension-cable-for-ir-emitter-ecs-8) - [3,7m RJ12 to 4-Pin IP65 Connector Cable (ECS-9)](https://kb.trolmaster.com/cables-and-connections?hsLang=en#37m-rj12-to-4-pin-ip65-connector-cable-ecs-9) - [7,6m RJ12 Coiled Communication Cable (ECS-10)](https://kb.trolmaster.com/cables-and-connections?hsLang=en#76m-rj12-coiled-communication-cable-ecs-10) - [4-Pin Waterproof Splitter Cable (ECS-12)](https://kb.trolmaster.com/cables-and-connections?hsLang=en#4-pin-waterproof-splitter-cable-ecs-12) - [Touch Spot Extension Cable (TSS-2)](https://kb.trolmaster.com/cables-and-connections?hsLang=en#touch-spot-extension-cable-tss-2) - [150m RJ12 Cable Roll (ECS-500)](https://kb.trolmaster.com/cables-and-connections?hsLang=en#150m-rj12-cable-roll-ecs-500) - [Multifunction Crimper (MC-1)](https://kb.trolmaster.com/cables-and-connections?hsLang=en#multifunction-crimper-mc-1) - [Accessories](https://kb.trolmaster.com/accessories?hsLang=en#main-content) - [RJ12 Splitter Hub (SPH-1)](https://kb.trolmaster.com/accessories?hsLang=en#rj12-splitter-hub-sph-1) - [Grow Camera (TC-2, TC-1)](https://kb.trolmaster.com/accessories?hsLang=en#grow-camera-tc-2-tc-1) - [Touch Spot Extpansion Set (TSS-1)](https://kb.trolmaster.com/accessories?hsLang=en#touch-spot-extpansion-set-tss-1) - [RJ12 Waterproof Straight-Through Inline Coupler (2 Pieces) (ECW-1)](https://kb.trolmaster.com/accessories?hsLang=en#rj12-waterproof-straight-through-inline-coupler-2-pieces-ecw-1) - [Sensor Bracket (2 Pieces) (TSB-1)](https://kb.trolmaster.com/accessories?hsLang=en#sensor-bracket-2-pieces-tsb-1) - [Weatherproof Box (BM-1)](https://kb.trolmaster.com/accessories?hsLang=en#weatherproof-box-bm-1) - [Cabinet (SCC-4)](https://kb.trolmaster.com/accessories?hsLang=en#cabinet-scc-4) - Start - Produkte - Preise - Blog - Unternehmen [![TM\_logo\_landsc\_ whitBG](https://kb.trolmaster.com/hs-fs/hubfs/Trolmaster%20EU%20Files/TM_logo_landsc_%20whitBG.png?width=276&height=100&name=TM_logo_landsc_%20whitBG.png "TM_logo_landsc_ whitBG")](https://www.trolmaster.eu) Copyright © 2025 TrolMaster