E0：Compressor Phase Sequence Error Or Phase Default; E1：Outdoor Coil Temp. Sensor T3 Default; Trouble Shooting - Westinghouse WPAXH-060CA4 Service Manual

WESTINGHOUSE PACKAGE A/C MANUAL

17.2 Trouble shooting

For 5ton
Item
1
Compressor phase sequence error or phase default
2
Outdoor coil temp. sensor T3-1 default
3
Outdoor coil temp. sensor T3-2 default
4
Indoor coil temp. sensor T2-1 default
5
Indoor coil temp. sensor T2-2 default
6
Indoor temp. sensor T1 error
7
Outdoor ambient temp. sensor T4 error
8
Wired controller output error
9
Over current protection
10
Comprehensive protection for outdoor fan
11
Protection for High/Low Pressure or exhaust temp.
1) E0：Compressor phase sequence error or phase default
Detect if the voltage of 5p wire joint
between A, B and C is normal.
Yes
Detect if the main board voltage
between A, B and C is normal.
Yes
Cut off power supply, exchange
freely two wires between A, B and
C. Power on again, if the main
board display E0.
Yes
Replace the main board.
2) E1：Outdoor coil temp. sensor T3 default.
Detect if the temp. Sensor is normal.
Yes
Replace the main board.
Content
Cut off power supply, replace the
power wire, inspect again.
Cut off power supply, exchange the
wire from main power supply to main
board. Power on again, retesting.
Replace the temp. sensor, detect
it again.
R-410A : 220V: 60Hz
Error code
E0
E1
E2
E5
E6
E9
EA
Eb
P0
P3
P4
No
No
No
OK.
No
105