Graco PR70 - System Behavior Descriptions

Troubleshooting
312759W 75
System Behavior Descriptions
T804-D-No Heat Z4 No Temperature Rise, Zone #4 8
T901-A-Temp Switch Cutoff Z1 Over Temp Switch Open, Zone #1 7
T902-A-Temp Switch Cutoff Z2 Over Temp Switch Open, Zone #2 7
T903-A-Temp Switch Cutoff Z3 Over Temp Switch Open, Zone #3 7
T904-A-Temp Switch Cutoff Z4 Over Temp Switch Open, Zone #4 7
T9C1-A-Control Shutdown Z1 PCB Over Temperature, Zone #1 7
T9C2-A-Control Shutdown Z2 PCB Over Temperature, Zone #2 7
T9C3-A-Control Shutdown Z3 PCB Over Temperature, Zone #3 7
T9C4-A-Control Shutdown Z4 PCB Over Temperature, Zone #4 7
WM01-A-Current Fault Z1 High Relay 1 Current, Zone #1 7
WM02-A-Current Fault Z2 High Relay 1 Current, Zone #2 7
WM03-A-Current Fault Z3 High Relay 1 Current, Zone #3 7
WM04-A-Current Fault Z4 High Relay 1 Current, Zone #4 7
WMC1-A-Control Fault Z1 Unexpected Relay 1 Current, Zone #1 7
WMC2-A-Control Fault Z2 Unexpected Relay 1 Current, Zone #2 7
WMC3-A-Control Fault Z3 Unexpected Relay 1 Current, Zone #3 7
WMC4-A-Control Fault Z4 Unexpected Relay 1 Current, Zone #4 7
Code-Class-Event
Shown on Errors Screen Description
System
Behavior Ref
System
Behavior
Reference System Behavior Description
1
When this error is generated, a pop-up with the error-code will be shown until it is acknowledged by
pressing the Enter button ( ). The heat control will be turned off, any auto-sequencing in progress
will be stopped, and the foot switch will be disabled until the error-code is acknowledged. When the
error condition is cleared, the heat control may be turned back on from the Home screen. This error
will not disable purge or recirculation operation.
2
When this error is generated, a pop-up with the error-code will be shown until it is acknowledged by
pressing the Enter button ( ). All physical machine operation will be disabled until the error condi-
tion is corrected. The display module can still be used but all machine commands sent will be ignored.
3
When this error is generated, a pop-up with the error-code will be shown until it is acknowledged by
pressing the Enter button ( ). Any auto-sequencing in progress will be stopped and the foot
switch will be disabled until the error-code is acknowledged. This error will not disable purge or recir-
culation operation. All features dependent on Fluid Control Module #2 will be disabled until the error
condition is corrected.