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4.3 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 (pulses: 0V, 15V,
0V, 15V etc. / 6 pulses per revolution). See also section 9.2
Error code reset Wait for a time duration of 120 sec. 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 stand still
2. Open the lid and press key
START
or
perform a MAINS RESET
– 3 – Imbalance
Error Imbalance on motor axle
Error
consequence
Drive switch off and brakes with the adjusted brake level
Error cause
• Weight difference in rotor components.
• Supporting lugs not greased.
• Imbalance switch is defective or not connected.
• Imbalance switch disadjusted (Adjustment see chapter
"Imbalance switch-off").
• Loose contact in cable or plug S503
• Power board (A1) is defective
Measurement
Plug S503 Pin 1 to Pin 4 of imbalance switch
Switch is a opener. See also chapter "9.2.5".
Error code reset Open the lid after standstill
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