For Super-Slim Cassette Type; For Other Errors - York YEFE BZTM-MOW1 Series Service Manual

For Super-slim cassette type:

Operation Timer Defrosting
lamp lamp
OFF fl fl F lash
Flash OFF
OFF OFF
Flash Flash
OFF OFF
Flash Flash
Flash OFF
Flash OFF
OFF Flash
OFF ON

For other errors:

The display board may show a garbled code or a code undefined by the service manual. Ensure that this code is not a
temperature reading.
Troubleshooting:
Test the unit using the remote control. If the unit does not respond to the remote, the indoor PCB requires replacement.
If the unit responds, the display board requires replacement.
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Alarm
Display
lamp lamp
OFF OFF E2
OFF OFF E3
Flash OFF E4
OFF OFF E7
OFF Flash E8
Flash OFF Ed
OFF Flash EC
Flash Flash F0
Flash Flash F1
Flash Flash F2
Error Information
Indoor room temperature sensor T1 is in open
circuit or has short circuited
Evaporator coil temperature sensor T2 is in
open circuit or has short circuited
Condenser coil temperature sensor T3 is in
open circuit or has short circuited (except for
18k/24k/36k cooling-only models)
Indoor unit EEPROM parameter error
Water level alarm malfunction
Protection of Low pressure (only for 48k
and 60k models)
Refrigerant leakage detection
Communication malfunction between main
PCB and up-down panel PCB
Up-down panel malfunction
Up-down panel is not closed
Solution
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