Toshiba MMY-MAP0804HT8-E Service Manual page 235

List of Check Codes Generated upon Occurrence of Leakage/Clogging in Outdoor Cycle
or Oil Circuit Part
(MMY-MAP1404 , 1604 )
Clogging
Outdoor PMV1, 2, 4
Check valve in discharge pipe
convergent section
Check valve in discharge pipe
Check valve in oil-equalization circuit
Capillary
Strainer
SV3A valve
SV3B valve
SV3C valve
SV3D valve
SV3D valve circuit capillary
Strainer
SV3E valve
SV3F valve
Oil return distributor
SV3C bypass capillary
Leakage
Outdoor PMV1, 2
Check valve in discharge pipe
convergent section
Check valve in discharge pipe
Check valve in oil-equalization circuit
SV3A valve
SV3C valve
Note: "XX" represents sub-code
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Site of fault
Part
(see next page)
A
B
C
D
E
F
G
H
I
J
K
L
Site of fault
Part
(see next page)
A
B
C
D
E
G
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Unit generating
Detected fault and check code
check code
Corresponding unit Activation of high-pressure protection
Activation of low-pressure protection
Discharge temp. error (TD1)
Discharge temp. error (TD2)
Discharge temp. error (TD3)
Corresponding unit High-pressure protection error
High-pressure SW system error
Corresponding unit High-pressure SW system error
Corresponding unit Oil level detection circuit error
Oil level low detection and protection
Other connected unit Oil level low detection and protection H07
Corresponding unit Oil level low detection and protection H07
Other connected unit Oil level low detection and protection H07
Corresponding unit Oil level low detection and protection H07
Corresponding unit Oil level detection circuit error
Oil level low detection and protection
Corresponding unit Oil level low detection and protection H07
Corresponding unit Oil level low detection and protection H07
Corresponding unit Oil level detection circuit error
Unit generating
Detected fault and check code
check code
Corresponding unit Outdoor liquid backflow error
Oil level low detection and protection
Other connected unit Discharge temp. error (TD1)
Discharge temp. error (TD2)
Discharge temp. error (TD3)
Corresponding unit Oil level low detection and protection
Compressor breakdown
Compressor error (lockup)
Corresponding unit Oil level low detection and protection
Compressor breakdown
Compressor error (lockup)
Corresponding unit Oil level low detection and protection H07
Corresponding unit Oil level low detection and protection H07
Corresponding unit Oil level low detection and protection H07
234
Symptom
P20 Rise of pressure
H06 Fall of pressure
P03 Rise of discharge temp.
P17 (compressor 1)
P18 Rise of discharge temp.
(compressor 2)
Rise of discharge temp.
(compressor 3)
P20 Abnormal rise of pressure
P04-XX
P04-XX Abnormal rise of pressure
H16-XX Oil circuit error or oil level low
H07
Oil level low
Oil level low
Oil level low
Oil level low
H16-05 Oil circuit error
H07 Oil level low
Oil level low
Oil level low
Oil level low
H16-04 Oil circuit error
Symptom
P13 Refrigerant entrapment
H07
P03 Rise of discharge temp.
P17 (compressor 1)
P18 Rise of discharge temp.
(compressor 2)
Rise of discharge temp.
(compressor 3)
H07 Refrigerant entrapment
H01-XX
H02-XX
H07 Refrigerant entrapment
H01-XX
H02-XX
Excessive amount of oil
(Leaking side)
Insufficient amount of oil
(Normal side)
Oil level low
Oil level low