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5.3
Description and elimination of errors
– 1 – Tacho error
Error
Tacho pulses break down during the run.
Error
consequence
Drive switch off and brakes with the adjusted brake level.
Error cause
•
Speed sensor (tacho) defective
•
Power board (A1) defective
•
Loosen contact in plug S502
Measurement
1. A1 / S502 pin 2 (GND) to pin 3 (+U
B
)
2. Speed sensor plug S502 , pin 4 – pin 2 GND (2 pulses per
revolution). See also section 10.2
Error code reset Wait for a time duration of 120 sec. and after this perform a MAINS
RESET.
– 2 – System reset
Error
Mains interrupt during a run
Error
consequence
Drive switch off and brakes with the adjusted brake level.
Error cause
•
Power supply has failed
•
Loosen contact in electrical connections
Error code reset 1. Wait for rotor standstill
2. Open the lid and press key
START
or
perform a MAINS RESET
