4-10 Chapter 4: Troubleshooting SHB_U14
Temperature error
Indication
Desired detector temperature not reached.
Status messages
Details
Possible cause Measures
Defective 24-V power supply - Check 24-V connection to Sensor-
CPU circuit board
Defective thermal link Replace thermal link
Defective heater Replace thermostat circuit board
Defective temperature probe Replace thermostat circuit board
Broken connection leads Check leads and contacts
Defective Sensor-CPU circuit board Replace circuit board
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