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11.0 Troubleshooting
Symptom
AFS will not start
Excessive vibration
Unit not responding to
remote control
Unit not working
efficiently; not cleaning
air.
Controls on unit not
working
Timer screen displays
numbers / letters other
than a countdown timer
*Warning: Some corrections may require a qualified electrician.
Probable Cause
Power ON/OFF switch in the OFF
position
No incoming power
Low voltage
Power cord damaged
Control button or PCBA malfunction
Loose frame, parts, or fasteners
Impeller imbalance
Motor imbalance
Weak batteries in remote
Radio frequency interference
Remote control or machine control panel
malfunction
Filter not installed properly
Blocked air flow
Control button or PCBA malfunction
If screen displays A8 filter is not installed Install filter.
Control may be in factory set-up mode
Loose connection on the control board
Control button or PCBA malfunction
Table 4
Remedy
Move Power ON/OFF switch to the ON
position.
Check plug connection
Verify there is power at the outlet, check
breaker or fuse panel.
Request voltage check form power
company and correct low voltage
condition.
Replace power cord.
Contact JET customer service.
Inspect and tighten as needed.
Clean impeller (do not use solvents).
If imbalance still occurs, replace impeller.
Have motor tested by qualified personnel;
replace if needed.
Replace batteries.
Identify sources of interference and
eliminate them or relocate unit.
Contact JET customer service.
Reinstall filter.
Inspect filter; replace if clogged
remove blockage.
Contact JET customer service.
Move power ON/OFF switch to the OFF
position. Wait 30 seconds, then switch
back to ON. Then press the On/Off
button.
Move power ON/OFF switch to the OFF
position and unplug the unit. Check the
electrical connections to the control
board to ensure they are all seated
properly.
Replace control board.
Contact JET customer service.
15
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