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68
English 5.906-548.0 Rev. 00 (04/12)
Read the fault memory in service mode at 53°C.
–
The operating hours since the last occurrence of
the respective fault are displayed for every type of
fault.
6.1.24Overview of a quick check of the device status
Date:
Part number:
Customer:
Plant number:
Display
Significance
Time elapsed since
the last occurrence
(hours)
High voltage range
Low voltage range
Overcurrent
Asymmetrical phases
Winding protection contact motor is open
Lack of water for more than 120 seconds
Auxiliary relay for heater is sticking
Lack of oil in the oil reservoir
Leakage (10 short startups lasting less than 2 seconds)
Temperature limiter in the boiler/heater was triggered
Temperature sensor short circuit or broken cable
RFID electronics defective.
End of the fault memory and display of the software version.