Fault Finding; Fault Codes - Prem-I-Air EH0468 Instruction Manual

positioned correctly (over the outer sheath of the cable) and it fully tightened.
If the EH0468 is not operating, proceed as follows:
Check that the mains plug is firmly in the socket, and that the socket is switched
ON.
When the unit if switched on there will be a delay of about 3 minutes before it
starts to operate.
• Unit stops running:
Mains supply is disconnected or has failed
Target temperature has been reached.
Timer has been set.
Water tank is full (WATERFULL indicator will illuminate)
• In cooling mode, no cool air is produced:
Room temperature is lower than set temperature
The unit is defrosting (this will take a few minutes, and afterwards, it will resume
operation)
Filter is blocked
• Cooling is poor on hot days
Too much direct sunshine is heating the room
Windows or doors are open allowing hot air into the room
A lot of people in the room (each person contributes about 75W of heating)
Electrical equipment in the room producing heat
• Heating is poor on cold days
The heat pump can only heat effectively when the outdoor temperature is above
7 °C
• Remote control does not work:
Check that the battery is correctly installed, and is not exhausted.
Make sure that the remote control is pointed towards the main unit when being
used.
If any error codes appear on the display, contact your local service agent.
E0: Room temperature sensor failure
Connect the brown wire to the terminal
labelled "L".
Connect the blue wire to the terminal
labelled "N"
Connect the green/yellow wire to the
terminal labelled with the earth symbol
or "E".
Make sure that the cord-grip is
FAULT-FINDING

FAULT CODES

Page 7