P010
GLAS
Onboard Temperature Sensor Failure
Thermostat displays P010 and reports internal temperature sensor error; room temperature reading is blank or shows dashes.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Failed thermistor on GLAS sensor board, Loose internal connector between sensor board and main board, Firmware unable to read sensor ADC, Physical damage from impact or liquid ingress
How to Fix / Troubleshooting
Safety: Do not open the GLAS housing; it is not designed for field repair. Work only with the wall plate and low‑voltage wiring.
- Step 1 – Reboot thermostat: Remove GLAS from the wall plate for 60 seconds, then reattach. Allow several minutes for sensors to initialize.
- Step 2 – Check for extreme conditions: Ensure the thermostat is not exposed to direct sunlight, drafts, or condensation that could temporarily affect sensor readings.
- Step 3 – Firmware update: If possible, update GLAS firmware from the settings menu to rule out a software bug in sensor reading.
- Step 4 – External sensor (if supported): If GLAS is configured to use a remote sensor, verify that sensor is online and properly paired. Try disabling the remote sensor to see if the error clears.
- Step 5 – Replace thermostat: If P010 persists, the internal temperature sensor board or its connection to the main board has failed. These components are not user‑serviceable; replace the GLAS thermostat.
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Repair Difficulty
Medium
3/5
Required Part
GLAS Internal Temperature Sensor Board
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