Elektronika SCM60ZD-S Manual page 78

(4) Phenomenon observed after shortcircuit, wire breakage on sensor.
(a) Indoor unit
Operation
Sensor
mode
Cooling
Room temperature
sensor
Heating
Heat exchanger Cooling
sensor
Heating
(b) Outdoor unit
Operation
Sensor
mode
Cooling
Heat exchanger
sensor
Heating
Cooling
Outdoor air
temperature sensor
Heating
Discharge pipe
All modes
sensor
(5) How to make sure of remote control
(1)
Is remote
NO
control
normal?
YES
Again pushing
operating swith
YES
Operating the unit?
NO
Does unit ON/OFF
button operates?
YES
Operating the unit.
NO
Control problem on
main unit
78
Shortcircuit
Release of continuous compressor operation command
Continuous compressor operation command is not released.
System can be operated normally.
High pressure control mode (Inverter stop command)
Shortcircuit
Defrosting is not performed.
Defrosting is not operated.
Compressor overload protection is disabled.
(Can be operated.)
Remote control
defects
Abnormality is not
found.
Replace the display.
Is the unit
YES
operable with remote
control?
NO
Defective remote
control
Phenomenon
Continuous compressor operation command is not released.
Release of continuous compressor operation command
Continuous compressor operation command is not released.
(Anti-frosting)
Hot keep (Indoor fan stop)
Phenomenon
System can be operated normally.
Defrosting is performed for 10 minutes at approx. 1 hour.
System can be operated normally.
Defrosting is performed for 10 minutes at intervals of approx. 30 minutes.
Compressor stop (There is no inverter output.)
Note (1) Check method of remote control
(a) Press the reset switch of the remote control.
(b) If all LCD are displayed after zero (1) display, it is ba-
sically normal.
HI POWER
AUTO
HI
MED
LO
Normal
Broken wire
Broken wire
ECONO
AM PM
ON OFF