Display Explanation Error source
E475
2
OUTDOOR UNIT fan 2 error OUTDOOR UNIT
E483
1, 4
H/W DC_Link over voltage error OUTDOOR UNIT
E484
1, 4
PFC overload error OUTDOOR UNIT
E485
1
Input current sensor error OUTDOOR UNIT
E488
2
AC input voltage sensor error OUTDOOR UNIT
E500
2
IPM is overheated OUTDOOR UNIT
E554
2
Gas leak error OUTDOOR UNIT
E590
1, 4
Inverter EEPROM CheckSum error OUTDOOR UNIT
E901
1
Water inlet (PHE) temperature sensor error (open/short) OUTDOOR UNIT
E902
1
Water outlet (PHE) temperature sensor error (open/short) OUTDOOR UNIT
E906
1
Refrigerant gas inlet (PHE) temperature sensor (open/short) OUTDOOR UNIT
E911
4
Flow switch OFF Error
▪
In case of flow S/W OFF in 30 sec during water pump signal is ON(Starting)
▪
In case of flow S/W OFF in 15 sec during water pump signal is ON(After starting)
COMM KIT
1) These errors will be automatically cleared, IF there is a COMM KIT active. Further error information can be found in the error log.
2) These errors has to be cleared by restarting the INDOOR UNIT. If the alarm reappears in the display after restarting, it means that the error is still active. Further error information can be found in
the error log.
3) These errors will probably occur due to hardware malfunction on either the COMM KIT or the EEPROM card in the OUTDOOR UNIT. It´s important to know that the EEPROM cards is different
whether it´s a 9kW or 16kW OUTDOOR UNIT. For further support, please contact your installer.
4) These errors will NOT be shown in the INDOOR UNIT display, unless they happen more than 3 times during 60 minutes. Then they must be cleared in the COMM KIT display on the OUTDOOR
UNIT.
Commissioning
iTec
VIJSR102 Thermia Värmepumpar
48
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