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Outdoor unit error display
Fig. 61: Display on outdoor module
1. Display screen
Display code
E177
E202
E203
E221
E237
E251
E401
E404
E416
E440
E441
E458
E475
E471
E460
E461
E464
E465
E466
E467
E468
E469
E556
Ä 'Heat pump manager error codes ' on page 59 above.
See
1
Meaning
Emergency mode
Abnormal communication between the HYDRO-unit and the outdoor unit
Abnormal communication between MAIN MICOM external and INVERTER
MICOM
Error in the external temperature sensor (short / open)
Error inductor temperature sensor (short / open)
Error outlet temperature sensor (kurz/offen)
Coil of the unit hydro-frozen at cooling mode
Coil of the HYDRO-unit in heating mode overloaded
Outdoor temperature overheat
Outdoor temperature of about 30 °C in heating mode
Outdoor temperature of below 5°C in cooling mode
Error 1. fan
Error 2. fan (only 14 kW model)
OTP-Error
Communication error voltage
Error Komp-Start
Over current IPM (O.C)
Compressor overloaded
Error DC-Link over-/undervoltage
Error compressor rotation
Current sensor error
Error DC-Link voltage sensor
Mismatch capacity between HYDRO and outdoor unit
61
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