Graco XM PFP Setup & Operation page 96

Appendix B - Alarms
Alarm
Code Alarm Problem
V4IT High Voltage CAN
V4MA A/B Material Heater High
V4MB Line Voltage Alarm
V4MH Hose Heater High Line
Voltage Alarm
96
When
Active Cause
Always 24 VDC power supply.
Always Temperature Control Module is
bad.
Heater is bad.
Always Temperature Control Module is
bad.
Heater is bad.
Solution
Check voltage of power supply.
Voltage should be 23-25 VDC. If
out of tolerance, adjust or replace
power supply.
Replace module.
Repair heater.
Replace module.
Repair heater.
3A2776K