Mitsubishi Heavy Industries FDT200VSAWPVH Service Manual page 67

Error code
None
Remote control:
1. Applicable model
All models
2. Error detection method
3. Condition of error displayed
4. Presumable cause
• Faulty 4-way valve operation
• Poor compression of
compressor
• Faulty body of EEVH, EEVC
• Faulty coil of EEVH, EEVC
• Faulty body of SV1
• Faulty coil of SV1
• Faulty temperature sensor
(Tho-D, Tho-H, Thi-R1, Thi-R2)
• Faulty pressure sensor PSL
• Insufficient amount of
refrigerant
Note:
LED Green Red
Keeps flashing Stays OFF
Indoor
Keeps flashing Stays OFF
Outdoor
5. Troubleshooting
Diagnosis
From previous page
YES
Is there any
problem with the coil of SV1 function?
Is the coil removed from the body of SV1?
Is the coil wiring broken?
Is the coil connector
disconnected?
NO
Is there any
problem with the coil of EEVC or
EEVH function?
Is the coil removed from the body of EEVC or EEVH?
Is the coil wiring broken?
Is the coil connector disconnected?
NO
Is the start-up
sound and vibration of
EEVC(EEVH) generated when
the power source
is turned on?
sound and vibration by exchanging
the connector CNEEV1 and CNEEV2.
YES
Is there any
problem with outdoor fan?
Refer to E48 troubleshooting.
NO
Is the protection control activated?
NO
Is the amount of refrigerant appropriate?
66
-
Content
Operates but does not heat (2/2)
NO
Check the start-up
Is the start-up sound and
vibration of EEVC(EEVH)
generated when the power
source is turned on?
-
'21 • PAC-SM-383
Countermeasure
YES Fix abnormal condition.
Fix abnormal condition.
YES
Change the body of EEVC
NO
or EEVH.
Change control PCB.
YES
Fix abnormal condition.
YES
Refer to each trouble-
YES
shooting.
Adjust to the appropriate
NO
amount of refrigerant.
Review the unit capacity.
YES