E9：Indoor Coil Temp. Sensor T2 Default; Eb: Wired Controller Output Error; P0：Compressor Over Current Protection; P3：Comprehensive Protection For Outdoor Fan - Westinghouse WPAXH-060CA4 Service Manual

WESTINGHOUSE PACKAGE A/C MANUAL
3) E9：Indoor coil temp. sensor T2 default.
(Indoor temp. and Pipe Temp. Sensor Resistance Value Table, see Appendix 2)
Detect if the temp. Sensor is normal.
Yes
Replace the main board.
4) When E2,E5,E6 or EA displays, please check the wired nameplate, if the terminals of T2_1、T2_2、
T3_2、T4 are connected as short circuit. If no, please connect all as short circuit, unless replace
main board.
5) Eb: Wired controller output error.(Only for KJR-23B or KJR-25B).
Avoid three conditions as following:
1) The wired controller output signal has Y, no G.
2) The wired controller output signal has W, no G.
3) The wired controller output signal has Y and W, no G.
6). P0：Compressor over current protection.(The over current protection value is 16A)
Detect B phase current, if the current
value is over the setting value.
Yes
The main board display P0, normal.
7). P3：Comprehensive protection for outdoor fan
Detect if the three-phase
protector display is normal.
Yes
Detect by multi-meter
three-phase protector COM
and NO exist current circuit.
Yes
Replace the main board.
106
Replace the temp. sensor,
detect it again.
Replace the main board.
No
The main board display P3,
normal.
if
No
Replace
protector, detect it again.
No
No
three-phase
R-410A : 220V: 60Hz