Testing and Troubleshooting
PXL Conventional Fire Alarm Control Panel
57
TROUBLE MESSAGES (Cont.)
Trouble Message Text
Condition
Possible Cause
PCM MOD O WATCHDOG
PCM module watchdog
Module locked up; reset the panel
PNC MOD X MULTI/UNKN
PNC not responding and ASC
routine will not run
Two or more PNC modules installed with
same dipswitch address
PNC MOD X NO RESPONSE
PNC not responding
• Module removed from system*
• Module failed
• Module address changed
PNC MOD X NOT SPEC’D
PNC responding but not in
configuration
• PNC module added but system not
reconfigured
• PNC module address changed
PNC MOD X WATCHDOG
PNC module watchdog
Module locked up; reset the panel
PNC MOD X COMM ERR
PNC communication error
• Data transmission failure
• Module failed
PPS MOD X COMM ERR
PPS communication error
• Data transmission failure
• Module failed
PPS MOD X NO RESPONSE
PPS not responding
• Module removed from system*
• Module failed
• Module address changed
PPS MOD X NOT SPEC’D
PPS responding but not in
configuration
• PPS module added but system not
reconfigured
• PPS module address changed
PPS MOD X WATCHDOG
PPS module watchdog
Module locked up; reset the panel
PPS1 AUX PWR FAULT
Auxiliary power trouble on first
PPS-10M in PXL System
Aux power fuse blown
PPS1 BATTERY FAULT
Battery trouble on first PPS-10M in
PXL System
• Battery missing/not connected
• Battery high
• Battery low
• Battery fuse blown
• Battery connected backwards
PPS2 AUX PWR FAULT
Auxiliary power trouble on second
PPS-10M in PXL System
Aux power fuse blown
PPS2 BATTERY FAULT
Battery trouble on second
PPS-10M in PXL System
• Battery missing/not connected
• Battery high
• Battery low
• Battery fuse blown
• Battery connected backwards
PRM MOD X COMM ERR
PRM communication error
• Data transmission failure
• Module failed
PRM MOD X MULTI/UNKN
PRM not responding and ASC
routine will not run
Two or more PRM modules installed with
same dipswitch address
* Modules purposely removed from the system may be removed from the configuration using
the "Delete Module Option" in the Program menu.
X = Module number
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