Toshiba MMY-MAP0804FT8(ZG)-E User Manual

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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 codeCheck target unit Symptom
Part
Site of fault
(see next page)
Detected fault and check codeCheck 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 unitC 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 unitE Oil level low detection and protection H07-XX Oil level low
SV3B valve Corresponding unitF Oil level low detection and protection H07-XX Oil level low
SV3C valve Other connected unitG Oil level low detection and protection H07-XX Oil level low
Oil return distributor Corresponding unitJ Oil level low detection and protection H07-XX Oil level low
SV3C bypass capillary Corresponding unitK Oil level detection circuit error H16-04 Oil circuit error
SV3A valve Corresponding unitE Oil level low detection and protection H07-XX Oil level low
SV3C valve Corresponding unitG 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 unitCheck 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
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Toshiba MMY-MAP0804FT8(ZG)-E Specifications

General

Brand	Toshiba
Model	MMY-MAP0804FT8(ZG)-E
Category	Air Conditioner
Language	English