– 64 –
7) No heating operation works
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
ON/OFF S/W ON
Is the AC220V
(AC 240 V) between connector
(CN-outunit) Pin 1 and Pin 3 of
Main P.C.B
Is the input power AC220V
(AC240V) at COMP magnetic coil
contactor?
Is it heating mode?
Room temp <Set temp?
Is the DC5V
at 14 pin of Micom terminal
Is the DC5V
at 18 pin of Micom terminal
Is the DC12V
at each terminal?
(RY-4way COIL)
Is the
AC220V (AC 240 V) between connec-
tor(4WAY) and CN-outunit Pin 1 of Main
P.C.B
Is the DC12V at
each terminal?
Replacement RY-4way
Replacement ICO2M
Replacement RY-Comp
Is the AC220V
(AC 240 V) between connector(CN-outunit)
Pin 1 and Pin 3 of Main
P.C.B
Check the wiring diagram.
Replacement MICOM
Replacement ICO2M
Room temp. < Set temp. Setting
Replacement MICOM
Select the heating operation mode.
Check the COMP magnetic
contactor of outdoor unit.
Check the wiring
connection
Is the unit operating?
Содержание LP-E5020CL
Страница 12: ... 12 3 LP E5020CL LP E5022CL CA WIRING DIAGRAM ...
Страница 13: ... 13 4 LP E5022HL HA ...
Страница 66: ... 66 10 ELECTRONIC CONTROL DEVICE 10 1 MAIN P C B ASM ...
Страница 68: ... 68 11 1 Circuit and Troubleshooting 11 SCHEMATIC DIAGRAM ...
Страница 71: ... 71 6 51 49 47 44 50 14 11 11 1 12 10 10 1 8 9 9 1 9 2 46 42 40 48 5 6 7 49 45 55 43 1 ...
Страница 79: ...P NO 3828A30074N Printed in Korea ...