AIRLESSCO 1110E Manuel d'instructions télécharger pdf (Page 21)

Troubleshooting

3A1184A 21

Power Source Using a Phillips Head screwdriver, remove the

eight screws holding the pressure control

assembly. Locate the red light on the board

indicating there is power.

If the light is ON, see Pressure Control

Assembly (Board).

If the light is OFF, locate the L1 and L2 termi-

nals on the board. Use the multi-meter to

ensure there is 110 volts AC across the two

terminals (the cord wires will still be attached.)

If there is no voltage at the leads, there is no

power getting to the machine. Check the

power source (outlet, circuit breaker, exten-

sion cord, and power cord).

If you have AC voltage at the L1 and L2 termi-

nals, disconnect the two red motor leads (S1

and S2) and test for continuity between them.

No continuity means the thermal coupler has

opened due to excessive motor heat. If the

motor is still hot to the touch, allow it to cool

and then retest. If the motor is cool and there

is not continuity on the red leads, contact Air-

lessco Technical Support to repair/replace the

thermal coupler.

Continuity shows that the motor’s thermal cou-

pler has not tripped. See Pressure Control

Assembly (Board).

Pressure Control Assembly

(Board)

If the power indicating light is still out after

checking the control settings, fuse and power

source, replace the pressure control assem-

bly.

Motor Remove the motor brush covers and turn the

machine ON. Set the potentiometer (POT) at

maximum pressure and check for DC voltage

across both brush terminals. It should read

greater than 80 volts DC.

If you have DC voltage, turn the machine off

and unplug it from the wall. Check to make

sure the brushes are making good contact

with the armature. Replace the brushes if they

are less than 5/8” long. If the brushes are

good, replace the motor.

If you do not have DC voltage, see Sensor.

Problem Cause Solution

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AIRLESSCO 1110E Manuel d'instructions Page 21

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