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Instruction manual ADMR 68
13.3 Troubleshooting table for displayed errors
Warning
Maintenance may only be performed by a qualified service and maintenance engineer.
Displayed errors
Symptom Cause Solution Remark
S01 (blocking error)
Open circuit from
temperature sensor T2
at bottom of the tank
Sensor is not (correctly)
connected
Connect the sensor lead to JP3 See the ADMR electrical diagram (17 "Appendices")
Defective flue gas
sensor
Replace flue gas sensor To replace the necessary parts, you must contact your installation
engineer
Damaged wiring 1. Measure the wire resistance of the sensor lead. This must be
±0Ohm.
2. Replace any damaged leads
S02 (blocking error)
Open circuit in sensor 1
of temperature sensor
T
1
at the top of the
tank
(1)
.
Sensor is not (correctly)
connected
Connect the sensor lead to JP5 See the ADMR electrical diagram (17 "Appendices")
Defective sensor Replace sensor T
1
To replace the necessary parts, you must contact your installation
engineer
Damaged wiring 1. Measure the wire resistance of the sensor lead. This must be
±0Ohm.
2. Replace any damaged leads
S03 (blocking error)
Open circuit from
sensor 2 of
temperature sensor T1
at the top of the tank
(1)
Sensor is not (correctly)
connected
Connect the sensor lead to JP5 See the ADMR electrical diagram (17 "Appendices")
Defective sensor Replace sensor T
1
To replace the necessary parts, you must contact your installation
engineer
Damaged wiring 1. Measure the wire resistance of the sensor lead. This must be
±0Ohm.
2. Replace any damaged leads
To replace the necessary parts, you must contact your installation
engineer
68


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