REMKO RXT xxx DC - Manual (Page 36)

RXT 521-1401DC indoor unit fault analysis
10. Operation light flashes at 5 Hz and Defrost light is on: Hot gas temperature too high
Is the temperature of
the Klixon over 115°C? Yes
Fix the leak and top up
No
No Establish a proper
connection
Yes
Yes
Is there a
refrigerant leak?
Is the connection
between the Klixon and
circuit board OK?
Is the resistance value
for the Klixon correct
(Table 2, P95)? No
Replace Klixon
Yes
Replace outdoor
component main board
Is the resistance of the
vaporiser sensor OK
(Table 1, P92-94)? Replace temperature
sensor No
1. Operation light flashes at 5 Hz: fault on the
vaporiser sensor or room sensor
Yes
Is the resistance of the
room sensor OK
(Table 1, P92-94)?
Yes
Replace indoor unit
main board
No
Replace temperature
sensor
REMKO RXT...DC
36