Removal Of Wired Zone Controller; Errors Display - York DWCPXY Owner's Manual

4.3 Removal of the Wired Zone Controller

5 Errors Display

If there is an error occurring during the operation of the system, the error code will be displayed on
the LCD, as show in Fig.5.1. If multiple errors occur at the same time, their codes will be
displayed in a sequential fashion.
Note: If an error code is displayed, reference Table 5.1 below for error code explanation and
contact you service representative for further assistance.
Error
Return air temperature sensor open/
short circuited
Evaporator temperature sensor open/
short circuited
Indoor unit liquid valve temperature
sensor open/short circuited
Indoor gas valve temperature sensor
open/ short circuited
IPM temperature sensor open/short
circuited
Outdoor ambient temperature sensor
open/ short circuited
Outdoor unit condenser mid-tube
temperature sensor open/short circuited
Wired Zone Controller DWCPXY
Fig.5.1
Table 5.1 Definition of Each Error
Error
Code
F1 Drive board communication error
F2 Compressor overheating protection
b5 Indoor and outdoor units unmatched
b7 Communication line misconnected or
expansion valve error
P7 Running mode conflict
F3 Pump-down
F4
Jumper error
15
Error Error
Code
P6
H3
LP
dn
E7
Fo
C5