Honeywell MO Series User Manual page 17

TROUBLESHOOTING GUIDE (CONTINUED)
PROBLEM POSSIBLE CAUSE
A door or window is open. Make sure the window or door is closed.
The dust filter is dirty.
The exhaust hose is
detached.
Runs but not Temperature setting is
cooling too high.
Air outlet or intake is
blocked.
Room exceeds
recommended size.
Large size or number of
windows are decreasing
cooling effectiveness.
Will not run and
Power button Excess water
is blinking condensation inside
(water full the tank.
indicator)
SOLUTION
Clean the dust filter.
Reinstall exhaust hose properly
(refer to Installation section).
Reduce temperature setting on control panel.
Remove blockage.
Move unit to smaller room.
Cover windows with curtains or blinds.
Drain the water (refer to Water Condensation
Drainage).
EN 14