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Problem
Cause
Solution
Pr1
Message
”Pr1”
flashes
and a throbbing signal is
heard.
-
Wrong probe type.
-
Probe damaged.
-
Incorrect connection
between the probe
and electronics
board.
-
Temperature recorded
by the probe exceeds
allowed thresholds for
the unit probe in use.
Contact the service
company
-
Check if the cooling
area probe is in order.
-
Check connection
between the system
and probe.
Unit probe error
Pr2
Message
”Pr2”
flashes
and a throbbing signal is
heard.
Evaporator probe error
(parameter P4=1)
Pr3
Message
”Pr3”
flashes and
a throbbing signal is heard.
Condenser probe error
(parameter P4=3)
