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SET Energietechnik Ltd. * August-Blessing-Str. 5 * D-71282 Hemmingen * Tel.: +49 (0)7150 9454-0 Fax: +49 (0)7150 2337
6.
Operation
6.7
Error messages
The error messages of the regulator are shown below. Possible causes are assigned to the
error messages. Other causes are listed in the Appendix (troubleshooting table).
Operating
status: Error: “High pressure”
Icons:
“Warning triangle”, “HP” and “A01”
Water deficiency, air deficiency
Operatin
g status: Error: “Low pressure”
Icons
“Warning triangle”, “LP” and “A02”
Cold
water,
dirty
evaporator,
refrigerant
deficiency
Operating status: Error:
“Motor protection switch”
(MS)
Icons:
“Warning triangle” and “A09” (only 400V)
Missing phase, check MS setting
Operating st
atus: Error: “Sensor break Pb1”
Icons:
“Warning triangle” and “P1”
Check pool water input temperature sensor
Operating st
atus: Error: “Sensor break Pb2”
Icons:
“Warning triangle” and “P2”
Check pool water output temperature sensor
Operating st
atus: Error: “Sensor break Pb3”
Icons:
“Warning triangle” and “P3”
Check evaporator temperature sensor
Operatin
g status: Error: “Flow monitor”
Icons:
“Compressor”, “Fan” and “Filter pump”
on, but compressor and fan are still off;
Solution
: Eliminate water deficiency, heat pump
will start again after 30 seconds via time switching
relay.