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CONTROL - ERROR 25.2, 25.3
EEPROM: Write or communication error.
The rotor slows down braked until it stops.
No further user operation possible except opening the lid.
•
Reset error code:
Perform a MAINS RESET.
•
Electronics (A1) is defective.
SER I/O - ERROR 31, 34, 36
Communication
error
with
the frequency converter.
The rotor slows down without braking until it stops.
No further user operation possible except opening the lid.
•
Reset error code:
Perform a MAINS RESET.
•
Electronics (A1) is defective.
°C / * -ERROR 51
Overtemperature on condenser
The rotor slows down braked until it stops.
No further user operation possible except opening the lid.
•
Reset error code:
Perform a MAINS RESET.
•
Temperature on condenser
≥
58°C / 136°F.
•
The temperature sensor (B3) on the condenser is defective.
Measure on Electronics (A1) / plug S706, pin 1 – pin 2.
Voltage > 3.31 V = Temperature on condenser > 58°C / 136°F
Voltage at 25°C / 77°F = 2.98 V (
±
20 mV)
A temperature change of 1°K causes a voltage change of 10 mV.
•
Electronics (A1) is defective.
•
Fan (M3) is defective.
Summary of Contents for ROTINA 420
Page 1: ...06 08 Andreas Hettich GmbH Co KG AR4701EN ROTINA 420 ROTINA 420 R Repair instructions ...
Page 78: ...77 97 Fig 2 Fig 3 3 1 5 4 6 7 a b d 13 16 18 17 19 21 22 30 25 23 38 21 20 b a c d ...
Page 80: ...79 97 Fig 6 Fig 7 Fig 8 9 10 12 11 7 8 a b 29 28 27 26 41 43 44 41 39 42 40 42 45 a c b d d ...
Page 95: ...94 97 11 3 2 Connecting diagram ROTINA 420 420 R ...
Page 96: ...95 97 ...
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