15
TROUBLE SHOOTING
Problem
Cause
Trouble shooting
E1
Electrical short on both
temperature sensor and
PCB(environment)
Contact an electrician for repair
E2
Electrical short of
temperature sensor copper
tube and PCB wiring(coil)
Contact an electrician for repair
E4
Indicates water tank full or
possibly the incorrect
wiring of plug
User needs to pull out the rubber stopper
which is located at the bottom of the unit, to
drain the water away. Check that the plug
has been wired correctly.
E8
Filter’s life time is larger
than 2000hrs
Change the filter and press SPEED button
for 3 seconds and alarm reset.