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