Operation Condition Secession Error - E440/E441 - Samsung AQV12NSAN Service Manual

4-3-19 Operation condition secession error
1. Checklist :
1) Check the temperature around the outdoor unit.
2. Troubleshooting procedure
**Heat Mode
Is the outdoor unit's temperature over 40˚C or
under -30˚C?
4-3-20 capacity miss match error When
1. Checklist :
1) Check the Btu between indoor unit and outdoor unit
2) Check the indoor unit's option code and outdoor unit's EEPROM data.
2. Troubleshooting procedure
Is the the rated Btu between indoor unit and
Re-set the option code again at indoor unit
Is the capacity miss match error appeared
Exchange the outdoor unit's PBA
Samsung Electronics
Restart after power off
Is the operation condition secession error
appeared again?
Yes
Yes
The temperature condition is too poor to operate.
Wait until temperature is changed.
outdoor unit
Yes
again?
Yes
When
No
**Cool Mode
Is the outdoor unit's temperature under -7˚C?
is displayed
No
Exchange the one of them according to the exact
No
is displayed
Terminate the service
model spec
Terminate the service
4-23