Hayward 81504 Einbau- & Anleitungshandbuch Seite 61

6. APPENDIX (continued)
Problem
Antifreeze protection Cold mode
Communication problem
Level 1 antifreeze protection
Level 2 antifreeze protection
Fan motor fault
Fan motor fault
Exterior temperature too low
Error
Description
codes
E07
Water output temperature < 4°C
No communication between the printed
E08
circuit board and the user interface
2°< Water temperature < 4°
E19
and Air temperature < 0°
Water temperature < 2°
E29
and Air temperature < 0°
F031 Motor jammed or faulty connection
F051 Faulty connection
TP Operating limit reached
Solution
Stop the heat pump, empty the
condenser risk of freezing
Check the connectors - see the wiring
diagram
Stop heat pump operation, empty the
condenser to avoid freezing, by default
the heat pump starts the filtration pump
to avoid icing over
Stop heat pump operation, empty the
condenser to avoid freezing, by default
the heat pump starts the filtration pump
and the heat pump to avoid icing over.
Check free rotation; check CN97/DC
connectors; replace the motor
Check the DCFAN/CN97 connector;
replace the motor
Stop the heat pump
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