Lennox PRODIGY2.0 User Manual

148
Table 65. Prodigy 2.0 Alarm and Event Codes
Selected alarms (marked with * in table result in the closure of the service relay contacts (DO1).
EVENT ACTIONDISPLAY MESSAGE
ALARM
CODE
7 RESERVED
8* STRIKE 3 ON BLOWER S52
Lockout is active with multiple alarm code 5 detected. Alarm can be manually
cleared through the user interface. Check blower operation. Once problem is correc
ted, lockout alarm can be cleared by resetting the M3 unit controller.
9 - 11 RESERVED
ALARM
CODE
DISPLAY MESSAGE EVENT ACTION
12 COMP 1 HIGH PRESS S4 OR HI TEMP S5
Compressor is off. Check charge, fans and coil.
NOTE: On Energence Ultra-High Efficiency units - if only alarm 12 is present then
issue could be high temperature S5 switch. If alarm 12 is accompanied with alarm 14
then most likely it is the high pressure S4 switch
The unit controller will clear high pressure switch alarm when corresponding high
pressure switch is detected as closed. Compressor will not restart until correspond
ing high pressure switch is closed and Minimum Off Delay (cooling or heating) has
expired.
13*
STRIKE 3 ON COMP 1 HIGH PRESS S4 OR
HI TEMP S5
Compressor is lockout. Check charge, fans and coil. Use service menu to clear
lockouts.
User will be able to clear high pressure switch compressor lockout and alarm via
user interface. High pressure switch compressor lockout and alarm will be cleared
after the M3 unit controller reset.
High pressure switch compressor lockout and alarm will be cleared on termination of
cooling demand.
Default is 3 occurrences and can be set between 1 and 7 occurrences.
14 COMP 2 HIGH PRESS S7
Compress is off. Check charge, fans and coil.
NOTE: On Energence Ultra-High efficiency units tandem alarms (14) compressor 2
high temperature S8 switch. If accompanied with alarm 15 then most likely the S4
high pressure switch is the issue.
The M3 unit controller will clear high pressure switch alarm when corresponding high
pressure switch is detected as closed. Compressor will not be restarted until corres
ponding high pressure switch is closed and Minimum Off Delay (cooling or heating)
has expired.
15*
STRIKE 3 ON COMP 2 HIGH PRESS S5 OR
S7
Compressor lockout. Check charge, fans and coil. Use service menu to clear lock
outs.
User will be able to clear high pressure switch compressor lockout and alarm via
user interface. High pressure switch compressor lockout and alarm will be cleared
after the M3 unit controller reset.
High pressure switch compressor lockout and alarm will be cleared on removal of
cooling demand.
Default is 3 occurrences and can be set between 1 and 7 occurrences.
16 COMP 3 HIGH PRESS S28
Compressor is off. Check charge, fans and coil.
The M3 unit controller will clear high pressure switch alarm when corresponding high
pressure switch is detected as closed. Compressor will not be restarted until corres
ponding high pressure switch is closed and Minimum Off Delay (cooling or heating)
has expired.
17* STRIKE 3 ON COMP 3 HIGH PRESS S28
Compressor lockout. Check charge, fans and coil. Use service menu to clear lock
outs.
User will be able to clear high pressure switch compressor lockout and alarm
through the user interface. High pressure switch compressor lockout and alarm will
be cleared after the M3 unit controller reset.
High pressure switch compressor lockout and alarm is cleared on removal of cooling
demand. Default is 3 occurrences and can be set between 1 and 7 occurrences.
18 COMP 4 HIGH PRESS S96
Compressor lockout. Check charge, fans and coil.
The M3 unit controller will clear high pressure switch alarm when corresponding high
pressure switch is detected as closed. Compressor will not be restarted until corres
ponding high pressure switch is closed and Minimum Off Delay (cooling or heating)
has expired.

Lennox PRODIGY2.0 Specifications

General

Brand	Lennox
Model	PRODIGY2.0
Category	Controller
Language	English