Rectify interference
6 720 643 196 (2010/02)
10
2.3.4 High hot gas temperature T6
Description: Compressor temperature too high. Automatic resetting, which must be acknowledged in the dis-
play.
Check Action
1. B Start the heat pump.
B Go to temperatures and look at T6.
B Use a digital thermometer and meas-
ure at the T6 sensor.
Do the values correspond?
yes: Æ 2
no: B Check the attachment of the T6, replace sensor if
necessary.
Does the error message recur? Æ 2
2. B Go to temperature display of T10 and
T11.
Is T10 below -5 or delta 5°K or more than
between T10, T11?
yes: B Troubleshoot on the cold side.
no: B Have a refrigeration technician check the cooling
circuit.
Does the error message recur? Æ 3
3. B Check for overheating. Replace expansion valve or compressor if necessary.
Tab. 4
6 720 643 196-03.1I
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