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Installation, use and Maintenance manual - ed. 04/14
3 flashes
–
Probes out of sequence
Manual reset
If any probe is covered out of sequence this alarm is activated.
Possible causes
•
Floats not operating
•
Sticking float: Clear debris and clean float
•
Sinking float: Replace float
•
Float switches faulty, contact should be closed at low level: Replace
•
Incorrect connection or wiring: Check contacts and connection
Black is common. Contacts are closed when floats are in lower position
4 flashes
–
Abnormal evaporation
Manual reset
In ‘COOL’ operation if a fill cycle is not activated in a 12 hour period this alarm is activated.
Possibles causes
•
Circulation pump blockage – clear debris
•
Circulation pump failure – repair/replace
•
Very abnormal weather conditions - reset
5
flashes
–
Slow
drain
Auto
reset
In a drain operation if the Very Low Level probe is not uncovered in 10 minutes this alarm
is activated
Possible causes
•
Drain blocked – clear blockage
•
Drain valve failure – use test mode to validate
•
Main control board failure – 240V AC should be detected when drain valve
operates