Indoor Unit Error Display; Outdoor Unit Display - York YU2E18YJ6AMHO-Y Service Manual

7.2 Indoor Unit Error Display

For All models(Wall mounted(Hi-Wall) series, Duct/Cassette/ Floor Ceiling):
Timer
Operation lamp
lamp
★ 1 time
X
★ 2 times
X
★ 4 times
X
★ 5 times
X
★ 6 times
X
★ 8 times
X
★ 1 times 
★ 2 times

★ 3 times

★ 4 times

★ 5 times

★ 6 times

★ 7 times 
★ 8 times

★ 9 times

★ 10 times 
★ 1 times ★
★ 2 times ★
★ 3 times ★
★4 times ★
★ 5 times ★
★ 6 times ★
★ 7 times ★

7.3 Outdoor Unit Display

7.3.1 Outdoor Unit Point Check Function
A check switch is included on the outdoor PCB.
Display LED STATUS
E0 Indoor unit EEPROM parameter error
E1 Communication malfunction between indoor and outdoor units
E3 Indoor fan speed malfunction
E4 Indoor room temperature sensor (T1 ) malfunction
Evaporator coil temperature sensor (T2) malfunction
E5
EE Water-level alarm malfunction
F0 Current overload protection
F1 Outdoor ambient temperature sensor (T4 ) malfunction
F2 Condenser coil temperature sensor (T3) malfunction
F3 Compressor discharge temperature sensor (T5) malfunction
F4 Outdoor unit EEPROM parameter error
F5 Outdoor fan speed malfunction
Indoor coil outlet pipe sensor(Located on outdoor unit low pressure
F6
valve)
Communication malfunction between Cassette optional lift panel
F7
and the unit.
F8 Cassette optional lift panel malfunction
F9 Cassette optional lift panel not closed
P0 Inverter module (IPM) malfunction
P1 Over-voltage or under-voltage protection
High temperature protection of compressor top(OLP)/ High
P2
temperature protection of IPM board
P3 Low ambient temperature protection
P4 Compressor drive malfunction
P5
Indoor units mode conflict
(——)
P6 Low pressure protection
★ flash ,  light, X extinguished
28
ODU
Error
——
E2
——
——
——
——
E4
E4
E4
E0
E8
——
——
——
——
P6
E5
——
LP
——
——
P2