Driver Troubleshooting
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3A5379B
Driver Troubleshooting
Power Saving Mode
When fast blinking is displayed, the driver has entered
Power Saving Mode. When the driver is on and pressur
-
ized, but the pump has not moved any material in 30 min
-
utes, the driver will enter Power Saving Mode and will
decrease pressure to 75% of the maximum pressure
while stalling.
Power Saving Mode will be exited when:
•
Material starts to dispense and causes the pump to
move, OR
•
The pressure knob is adjusted, OR
•
Power is cycled OFF and ON
Error Codes
Error codes can take two forms:
Alarm:
alerts you to the alarm cause and shuts down
the pump.
Deviation:
alerts you to the problem, but the pump may
continue to run past the set limits until the system’s
absolute limits are reached.
NOTE:
The blink code is displayed using the power indi
-
cator (L) on the driver. The blink code listed below indi
-
cates the sequence. For example, blink code 2 indicates
two blinks, a pause, and then the sequence repeats.
NOTE:
To clear an error code, first try turning the driver
pressure adjustment knob (AK) counterclockwise until it
stops. If the status indicator (L) does not stop blinking
shortly after turning the knob to zero, cycle the power by
turning the disconnect switch (K) to the OFF position for
at least 30 seconds before turning it back ON.
WLD
/
.