Applicable Systems
Greenstar GB162
Symptoms
The boiler reports a temperature sensor fault. The flow or return temperature sensor is reading incorrectly.
Possible Causes
- Sensor element drifted from calibration
- Sensor wiring damaged or connector loose
- Sensor element open or shorted
Troubleshooting Steps
- Step 1: Test the sensor resistance against the temperature chart
Reading matches the expected value - Step 2: Check the sensor wiring and connector
Wiring is intact and connector is secure - Step 3: Replace the faulty sensor
New sensor reads correctly
How to Reset
To reset: Replace the faulty sensor, then clear the fault.
Comments (0)
Share your experience to help others facing the same problem.
Leave a Comment
Source: Worcester Bosch Boiler Manual, Worcester Bosch Group
Category: Home Boiler
No comments yet. Be the first to share your experience!