Troubleshooting - Prem-I-Air EH1910 Manual

Symptom
The unit is not operating.
The unit works with
reduced capacity.
Water Leakage
Excessive Noise
E0
E1
Error
Codes
E2
Ft

TROUBLESHOOTING

Inspection
 Check the power connection in
securely.
 Check if the water level indicator
lights up?
 Check the room temperature.
 Check the air filter for dirt.
 Check if the air duct is blocked.
 Check if the room door or window is
open.
 Check if the desired operating mode
is selected and the temperature is
properly set.
 The exhaust hose is detached.
 Overflow while moving the unit.
 Check if the drain hose is kinked or
bends.
 Check if the unit is securely
positioned.
 Check if any loose, vibrating parts.
 Noise sounds like water flowing.
 Communication faults between main
PCB and display PCB.
 Ambient temperature sensor failure
 Coil temperature sensor failures.
 Condensate water high level alarm.
Solution
 Insert the power cord securely into the wall
Outlet.
 Empty the drain pan by remove the rubber
plug.
 The range of operating temperature is 5-
35℃.
 Clean the air filter as necessary.
 To clear the obstacle.
 Keep the door and windows closed.
 Set the mode and temperature at proper set-
point according the manual.
 Make sure the exhaust hose is securely
attached.
 Empty the water tank before transport.
 Straighten the hose to avoid a trap existing.
 Place the unit on horizontal and firm ground.
 Secure and tight the parts.
 Noise comes from flowing refrigerant. This is
normal.
 Check the wire harness of the display PCB for
damage.
 Check connection or replace it. To clean or
replace the temperature sensor.
 Check connection or replace it. To clean or
replace the temperature sensor.
 Empty the drain pan by removal the rubber
plug.