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310528
Air Motor Troubleshooting
For additional information about the air motor, see the air motor’s documentation.
Problem
Cause(s)
Solution(s)
Air motor will not shift directions,
stalled in DOWN position
Main air valve is dirty or damaged
Clean/rebuild main air valve.
Air motor will not shift directions,
stalled in UP position
Air motor stalled halfway between
the top and bottom
Air continually exhausting around
air motor shaft.
Air motor shaft seal is damaged
Replace air motor shaft seal.
Air continually exhausting around
the air valve/slide valve
Air valve/slide valve gasket is damaged Replace the valve gasket.
Air continually exhausting from
muffler while the motor is idle
Internal seal damage
Rebuild air motor.
Oil leaking from exhaust port
Too much lubricant mixed in with the air
supply
Reduce lubricant supply.
Frost build-up on muffler
Air motor operating at high pressure, or
high cycle rate
Reduce pressure, cycle rate, or
duty cycle of the air motor.
Electrical Control Panel Troubleshooting
Problem
Cause(s)
Solution(s)
Disconnect is ON, but no indica-
tor lights are lit
The ground fault interrupt has been
activated
See procedure on page 26.
g
One or more fuses has (have) been
blown
Replace the blown fuse(s)
High Temperature Alarm lights
The temperature of a heated compo-
nent has gone out of range.
Supply unit automatically turns off
power to supply unit components.
Unit turns power back on when
overheated components reach ap-
propriate temperatures.
Heat is turned off after inactivity
timer has been triggered.
Pump has not moved within the pro-
grammed time period
See procedure on page 26.
Summary of Contents for 918334
Page 12: ...12 310528 Notes...
Page 36: ...36 310528 Service Fig 10 240 Volt Ram Plate Assembly Wiring 9599A 3L1 3L2 3L3 5L1 5L2...
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Page 68: ...68 310528 Schematics 617300 Page 2 9605A...
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Page 70: ...70 310528 Schematics 617485_2...
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Page 84: ...84 310528 Appendix New Style Temperature Controller Settings List...