Graco PR70 Repair And Parts Manual page 21

Code-Class-Event
Shown on Errors Screen
WM02-A-Current Fault Z2
WM03-A-Current Fault Z3
WM04-A-Current Fault Z4
WMC1-A-Control Fault Z1
WMC2-A-Control Fault Z2
WMC3-A-Control Fault Z3
WMC4-A-Control Fault Z4
System Behavior Descriptions
NOTE: System behavior descriptions apply only to
Advanced Display Module errors.
System
Behavior
Reference
When this error is generated, a pop-up with the error-code will be shown until it is acknowledged by
pressing the Enter button (
1
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.
When this error is generated, a pop-up with the error-code will be shown until it is acknowledged by
2
pressing the Enter button (
tion is corrected. The display module can still be used but all machine commands sent will be ignored.
When this error is generated, a pop-up with the error-code will be shown until it is acknowledged by
pressing the Enter button (
3
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.
When this error is generated, a pop-up with the error-code will be shown continuously until the error
4
condition is corrected. The machine and display module are completely disabled until the error condi-
tion is corrected.
When this error is generated, a pop-up with the error-code will be shown. Any auto-sequencing, purge
timer or recirculation timer operation in progress will be stopped and the foot switch will be disabled
5
until the error-condition is cleared. The error-code pop-up will be shown until the error condition is
cleared. When the error condition is cleared, all options may be turned back on.
312760Y
Description
High Relay 1 Current, Zone #2
High Relay 1 Current, Zone #3
High Relay 1 Current, Zone #4
Unexpected Relay 1 Current, Zone #1
Unexpected Relay 1 Current, Zone #2
Unexpected Relay 1 Current, Zone #3
Unexpected Relay 1 Current, Zone #4
System Behavior Description
). The heat control will be turned off, any auto-sequencing in progress
). All physical machine operation will be disabled until the error condi-
). Any auto-sequencing in progress will be stopped and the foot
Troubleshooting
System
Behavior Ref
7
7
7
7
7
7
7
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