Graco XM PFP Setup & Operation page 89

Alarm Code Troubleshooting
See PFP Plural-Component Sprayers Repair-Parts manuals for non-alarm based troubleshooting.
* Indicates the alarm is user-defined.
Alarm
Code Alarm Problem
A4DA A/B Material Heater
A4DB Over-Current Alarm
A4DH Hose Heater Over-Current
Alarm
A8DA A/B Heater No Current
A8DB Alarm
A8DH Hose Heater No Current
Alarm
A9DA A/B Material Heater
A9DB Unexpected Current Alarm
A9DH Hose Heater Unexpected
Current Alarm
CACA Temperature Control
CACB Module Heater Loss Of
Communication Alarm with
A/B Material Heater
CACH Temperature Control
Module Loss of
Communication Alarm with
Hose Heater
CACP Display Has No Signal
3A2776K
When
Active Cause
Always Temperature Control Module is
bad.
Heater is bad.
Always Temperature Control Module is
bad.
Heater is bad.
Always Temperature Control Module is
bad.
Heater is bad.
Heater wiring is bad.
Always Temperature Control Module is
bad.
Heater is bad.
Heater wiring is bad.
Always Temperature Control Module is
bad.
Heater is bad.
Always Temperature Control Module is
bad.
Heater is bad.
Always Network communication cable is
bad.
Temperature Control Module
network address is wrong.
Temperature Control Module is
bad.
Always Network communication cable is
bad.
Temperature Control Module
network address is wrong.
Temperature Control Module is
bad.
Always No display communication signal.
Machine powered down in spray
mode.
Appendix B - Alarms
Solution
Replace module.
Repair heater.
Replace module.
Repair heater.
Replace module.
Repair heater.
Fix heater wiring
Replace module.
Repair heater.
Fix heater wiring
Replace module.
Repair heater.
Replace module.
Repair heater.
Replace communication cable.
Set module network address.
Replace module.
Replace communication cable.
Set module network address.
Replace module.
Check cable connections. Replace
display.
See XM PFP Repair manual.
Press stop button before turning off
power.
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