Troubleshooting - Danterm ACT 7 Quick Start Manual

QUICK START GUIDE

Troubleshooting

Only a competent electrician should attempt to rectify electrical supply problems.
Only a competent refrigeration engineer should work on the refrigeration system.
Symptoms
No air flow from room unit, display
off.
No air flow from room unit, display
on and showing temperature.
No air flow from room unit, display
on, defrost and A/C symbols
showing.
Insufficient air flow from room unit.
Insufficient air flow from room unit.
A/C indicator on, defrost symbol
showing.
Insufficient air flow from room unit.
No cooling.
No cooling.
No cooling.
HP/LP faults.
14
Possible causes
Problem with the power
supply.
Mode switch in standby
position.
ACT 7 is defrosting.
Blocked air filter.
Temperature set too high.
Fan speed dial set to minimum.
HP alarm showing. High
pressure trip.
No water or kinked hoses.
Insufficient water.
External heat exchanger unit
mounted in very high ambient
temperature?
Water frozen?
Flashing bucket full symbol.
Condensate pump not
reducing water level.
LP alarm showing. Low
pressure trip.
Loss of refrigerant.
Blocked filter.
Action required
Turn on electricity and/or check mains supply fuse.
Change the position of the mode switch to fan only
or A/C.
Machine in defrost mode, do not adjust anything,
machine will revert to normal operation after ten
minutes.
Clean filter.
Lower the temperature and wait six minutes for time
delay on start-up to elapse.
Change the position of the fan speed dial.
Reset alarm as described in resetting alarms section
on page 8.
Top up the ACT 7 room unit header tank with water/
glycol mixture.
Add glycol (33%) as shown on page 5.
Check the lines for kinks and remove them. Check the
room unit for leaks. Check to see if the condensate
tube is frozen.
Reset alarm as described in resetting alarms section
on page 8.
Check the filter and clean if necessary as shown on
page 13.
Recurring high pressure and low pressure faults may
indicate that there is an underlying problem that needs
investigating. Contact the supplier of the ACT 7 to
arrange for servicing.
ACT 7 QUICK START GUIDE