York DWCPXY, Owner'S Manual

Page: 21 / 24

Wired Zone Controller DWCPXY
1
5
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
.
Fig.5.1
Table 5.1 Definition of Each Error
Error Error
Code
Error Error
Code
Return air temperature sensor open/
short circuited F1 Drive board communication error P6
Evaporator temperature sensor open/
short circuited F2 Compressor overheating protection H3
Indoor unit liquid valve temperature
sensor open/short circuited b5 Indoor and outdoor units unmatched LP
Indoor gas valve temperature sensor
open/ short circuited b7 Communication line misconnected or
expansion valve error dn
IPM temperature sensor open/short
circuited P7 Running mode conflict E7
Outdoor ambient temperature sensor
open/ short circuited F3 Pump-down Fo
Outdoor unit condenser mid-tube
temperature sensor open/short circuited F4
Jumper error
C5