Itho Daalderop WPU 5G 25 c, Руководство пользователя

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A1 | HEAT PUMP
Code
Cause Solution
A1 21 The compressor starting current is too high.
- Contact your installer or service organisation.
The compressor temperature protection setting is not
functioning properly or is faulty. - Contact your installer or service organisation.
A1 22 The phase order in the power socket is not clockwise on
heat pump.
- Contact your installer or service organisation.
A1 23 There is no clockwise field on the incoming 3 phase power
supply on heat pump.
- Contact your installer or service organisation.
A1 24 The power consumption of the compressor is too low.
- Contact your installer or service organisation.
A1 25 The power consumption of the electric heating element is
too low.
- Contact your installer or service organisation.
A1 26 The power consumption of the compressor is too high.
- Contact your installer or service organisation.
A1 27 The power consumption of the electric heating element is
too high.
- Contact your installer or service organisation.
A1 28
The source feed temperature (T8) is too low. - Contact your installer or service organisation.
A1 29 The source return temperature (T9) is too low.
- Contact your installer or service organisation.
A1 30
The liquid temperature (T7) is too high. - Contact your installer or service organisation.
A1 31 The discharge temperature (T6) is too high.
- Contact your installer or service organisation.
A1 32 The injection temperature (T4) is too low.
- Contact your installer or service organisation.
A1 33 Too high discharge temperature in relation to the liquid
temperature and the expansion valve is completely open.
- Contact your installer or service organisation.
A1 34 The central heating supply temperature (T10) is too high.
- Check the water-side flow of the central heating
system.
- Vent the heating system.
A1 36
Thermostat communication error. - Is the room thermostat properly connected?
- If the appliance remains in an error state or the
same error occurs repeatedly, contact your
installer or service organisation.
A1 37 Compressor power consumption without control.
- Contact your installer or service organisation.
A1 38 The element relay lingers.
- Contact your installer or service organisation.
A1 42 Temperature sensor T8 (Source supply) and T9 (Source
return) are not functioning properly or are defective.
- Contact your installer or service organisation.
A1 43 An unsuitable thermostat is connected.
- Contact your installer or service organisation.
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