Message code
Meaning
1170
Starting fault (after 3 failed attempts).
Tab. 96 Message code range 1100 – 1199: engine faults
Range 1200 - 1299: compressor unit faults
Message code
Meaning
1200
Compressor unit overheating.
1201
Compressor pressure too high.
Tab. 97 Message code range 1200 – 1299: compressor unit faults
Range 1300 - 1399: controller faults
Message code
Meaning
1300
Memory fault.
1301
Fault in bus communication with engine electronics.
1302
Fault in bus communication with display unit.
1303
Overheating.
1304
Power supply.
Tab. 98 Message code range 1300 – 1399: controller faults
Message code range 1400 – 1499: general faults
Message code
Meaning
1400
Quick stop
1410
Open circuit in the oil separator tank pressure sensor.
1411
Short circuit in the oil separator tank pressure sensor.
1412
Open circuit in the inlet valve pressure sensor.
1413
Short circuit in the inlet valve pressure sensor.
1414
Open circuit in the compressor unit temperature sensor.
1415
Short circuit in the compressor unit temperature sensor.
1416
Open circuit in fuel level sensor.
1417
Short circuit in fuel level sensor.
1420
Open circuit in the venting valve (p+e).
1421
Short circuit in the venting valve (p+e).
1422
Open circuit in the auxiliary venting valve (p)
1423
Short circuit in the auxiliary venting valve (p)
1424
Open circuit in the inlet valve control valve (e).
1425
Short circuit in the inlet valve control valve (e).
1426
Open circuit in the frost protector valve.
1427
Short circuit in the frost protector valve.
1430
Manual-stop automatic mode.
13 Annex
13.14 SIGMA CONTROL MOBIL message codes
No.: 9_6975 00 E
Service Manual Screw Compressor
M135 SIGMA CONTROL MOBIL
239