Publicité
Electrical
DIGITAL
CONTROL BOARD
DISPLAY
STATUS LIGHT
E=05
Blinks 5 x repeatedly
E=06
Blinks 6 x repeatedly
E=08
Blinks 8 x repeatedly
E=09
Blinks 9 x repeatedly
E=10
Blinks 10 x repeatedly
E=11
Blinks 11 x repeatedly
E=12
Blinks 12 x repeatedly
312649B
INDICATION
WHAT TO DO
Possible locked
1
pump or drive. May
2
be motor connection
3
or wiring error
.
Motor is too hot or
1
motor/thermal device
2
connection may be
bad
.
Low line voltage
Ensure line voltage is above 185 Vac.
.
Motor sensor failure
Make sure motor sensor (resolver) is connected to the control
.
board and check wiring for damage.
High control board
1
temperature
2
.
Excessive motor
Check for damaged gears or disconnected pump.
speed
.
High Current
1
.
2
3
Check motor wiring connections.
Check for locked or frozen pump or drive train.
If all motor wiring connections are OK and pump/drive train
are not locked up, replace control board, then motor.
Check all wire connections from motor to control board.
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.
Make sure the motor air intake is not blocked.
Make sure control board is properly connected to the back
plate and that conductive thermal paste is used on the
power components, Fig. 3.
Check for locked or frozen pump or drive train.
Check for possible short circuits in wiring.
Check pressure output and replace transducer if pressure
is excessive.
Troubleshooting
33
Publicité
