REMKO RXT xxx DC - Manual (Page 35)

Connection of sensor
line OK? No Correct
sensor line
Replace temperature
sensor
Yes
7. Operation light flashes at 5 Hz and Timer light is on:
condenser temperature sensor
Connection of sensor
line OK? Connect the sensor
properly No
Yes
8. Operation light flashes at 5 Hz, Timer and
Alarm lights are on: outdoor component
overvoltage protection
No
No
Yes
9. Operation, Timer and Alarm lights flash at 5Hz:
outdoor component overcurrent protection
Yes
Reestablish the
connection Is the input current
greater than 16A?
Is the function of the
fan on the outdoor
component OK?
Replace outdoor
component main board
Resistance of the
sensor OK
(Table 1, P92-94)?
No
Yes
Replace outdoor
component main
board
Is the voltage between
L and N of the outdoor
component 198 –
254V?
Yes
Replace main board
No
Establish correct
power supply
Check refrigerant pipes
Is the outdoor
temperature too high?
Switch off unit
Yes
No
Ensure fan functions
properly
Is the register of the
outdoor component
dirty?
Clean the register
of the outdoor
component
Yes
No
Are the refrigerant
pipes blocked or bent?
No
Siphon off refrigerant,
replace pipe / remove
blocked, perform
pressure test, drawn
vacuum and refill
Yes
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