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Troubleshooting
312649E 33
Electrical
DIGITAL
DISPLAY
CONTROL BOARD
STATUS LIGHT
INDICATION WHAT TO DO
E=05 Blinks 5 x repeatedly Possible locked
pump or drive. May
be motor connection
or wiring error.
1 Check motor wiring connections.
2 Check for locked or frozen pump or drive train.
3 If all motor wiring connections are OK and pump/drive train
are not locked up, replace control board, then motor.
E=06 Blinks 6 x repeatedly Motor is too hot or
motor/thermal device
connection may be
bad.
1 Check all wire connections from motor to control board.
2 If connections are all ok, allow sprayer to cool. If sprayer
runs when cool, correct cause of overheating. Keep
sprayer in cooler location with good ventilation. Make sure
motor air intake is not blocked.
E=08 Blinks 8 x repeatedly Low line voltage. Ensure line voltage is above 185 Vac.
E=09 Blinks 9 x repeatedly Motor sensor failure. Make sure motor sensor (resolver) is connected to the control
board and check wiring for damage.
E=10 Blinks 10 x repeatedly High control board
temperature.
Make sure the motor air intake is not blocked.
E=11 Blinks 11 x repeatedly Excessive motor
speed.
Check for damaged gears or disconnected pump.
E=12 Blinks 12 x repeatedly High Current. 1 Check for locked or frozen pump or drive train.
2 Check for possible short circuits in wiring.
3 Check pressure output and replace transducer if pressure
is excessive.
E=14A Blinks 14 x repeatedly Faulty check valve. Inspect and/or repair pump check valve.
E=14B Blinks 14 x repeatedly Failed or no check
valve.
Repair or install pump check valve.