6. FAULTFINDING
23
6. F aultfi ndi ng
6.1 Introduction
Normally a fault of the unit will be shown in the display of the electric panel. Depending on
which panel has been delivered these alarm messages can be called differently. Please
refer to the manual of the electric panel for more details. If the frequency inverter for the
fan is showing an alarm, please refer to the manual of the frequency inverter.
6.2 Fault finding
Function
Problem
Cause
Action
Fan fault
(red LED)
Thermo relay
switched off
•
Fan motor broken
•
Phase missing
•
Fan belt broken
•
Thermo relay broken
•
Change/Repair motor
•
Connect all phases correct
•
Change belt
•
Change thermo relay
Fan not
running
(no red LED)
Fire thermostat
(accessory) has
switched off
•
Supply air over 40°C
•
Check supply air
temperature
Frost thermostat
(accessory) has
switched off
•
Coil off temperature
below 5°C
•
Check LPHW valve
•
Check hot water
Compressor
fault
(red LED)
HP pressure over
24 bar
•
Air volume too small
•
Blockage in cooling
circuit
•
Temperature too high
•
Solenoid valve not open
•
Check air volume
•
Check/Repair cooling
circuit
•
Reset pressure switch
•
Check/Repair valve
LP pressure under
1.5 bar
•
Leakage in the cooling
circuit
•
Evaporator iced up
•
Repair cooling circuit
•
Deice evaporator/Check
de-icing function
Compressor
not running
(no red LED)
Flow guard
(accessory)
activated
•
Fan motor broken
•
Phase missing
•
Fan belt broken
•
Thermo relay broken
•
Change/Repair motor
•
Connect all phases correct
•
Change belt
•
Change thermo relay
Thermo relay
switched off
•
Compressor broken
•
Phase missing
•
Thermo relay broken
•
Change compressor
•
Connect all phases correct
•
Change thermo relay
Summary of Contents for DanX AF 12/24
Page 1: ...DanX Pool AF User Manual Rev 2 3 961405 en...
Page 28: ......
Page 29: ......
Page 30: ......