Toshiba MMY-MAP0804FT7(Z), Руководство по обслуживанию, Страница: 235 / 333

– 235 –
8-8. Leakage/Clogging of Refrigerating Cycle Circuit
List of Check Codes Generated upon Occurrence of Leakage/Clogging in Outdoor Cycle or Oil
Circuit Part
(MMY-MAP0804
∗
, 1004
∗
,)
Clogging
Part
Outdoor PMV1, 2, 4
Outdoor PMV4 circuit check valve
SV14 valve
SV14 valve circuit check valve Corresponding unit
A
Activation of high-pressure protection
Activation of low-pressure protection
Discharge temp. error (TD1)
Discharge temp. error (TD2) P20
H06
P03
P17 Rise of abnormal pressure
Fall of pressure
Rise of discharge temp.
(compressor 1)
Rise of discharge temp.
(compressor 2)
Site of fault
(see next page)
Detected fault and check code Check target unit Symptom
Part
Site of fault
(see next page)
Detected fault and check code Check target unit Symptom
Check valve in discharge pipe
convergent section
SV11 valve
SV11 valve circuit check valve Corresponding unit
B
High-pressure protection operation
High-pressure SW system error P20
P04-XX Abnormal rise of pressure
Check valve in discharge pipe Corresponding unit C High-pressure SW system error P04-XX Abnormal rise of pressure
Check valve in oil-equalization circuit
Capillary
Strainer Corresponding unit
D
Oil level detection circuit error
Oil level low detection and protection H16-XX
H07-XX Oil circuit error or oil
shortage judgment
SV3A valve Other connected unit E Oil level low detection and protection H07-XX Oil level low
SV3B valve Corresponding unit F Oil level low detection and protection H07-XX Oil level low
SV3C valve Other connected unit G Oil level low detection and protection H07-XX Oil level low
Oil return distributor Corresponding unit J Oil level low detection and protection H07-XX Oil level low
SV3C bypass capillary Corresponding unit K Oil level detection circuit error H16-04 Oil circuit error
SV3A valve Corresponding unit E Oil level low detection and protection H07-XX Oil level low
SV3C valve Corresponding unit G Oil level low detection and protection H07-XX Oil level low
Check valve in discharge pipe
convergent section Corresponding unit
B
Oil level low detection and protection
Compressor breakdown
Compressor error (lockup) H07-XX
H01-XX
H02-XX Refrigerant entrapment
Check valve in discharge pipe Corresponding unit
C
Oil level low detection and protection
Compressor breakdown
Compressor error (lockup) H07-XX
H01-XX
H02-XX Refrigerant entrapment
Outdoor PMV1, 2 Corresponding unit
A
Outdoor liquid backflow error
Oil level low detection and protection P13
H07-XX Refrigerant entrapment
Other connected unit Discharge temp. error (TD1)
Discharge temp. error (TD2)
P03
P17 Rise of discharge temp.
(compressor 1)
Rise of discharge temp.
(compressor 2)
Corresponding unit Check valve in oil-equalization
circuit
D
Oil level low detection and protection H07-XX Excessive amount of oil
(Leaking side)
Insufficient amount of oil
(Normal side)
SV3E valve Corresponding unit
I
Oil level detection circuit error
Oil level low detection and protection H16-05
H07-XX Oil circuit error
Oil level low
Oil level low
SV3D valve
SV3D valve circuit capillary
Strainer Corresponding unit
H
Oil level low detection and protection H07-XX Oil level low
Leakage
Note:
“XX” represents sub-code
AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk