Toshiba MML-AP0074NH-E Service Manual page 65
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Also See for MML-AP0074NH-E:
- Owner's manual (26 pages) ,
- Installation manual (32 pages) ,
- Owner's manual (268 pages)
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Check code display
Outdoor 7-segment
Auxiliary code
H05
—
H15
—
H25
—
H06
—
H07
—
01: TK1 sensor error
02: TK2 sensor error
H08
03: TK3 sensor error
04: TK4 sensor error
05: TK5 sensor error
01: TK1 Oil circuit system error
02: TK2 Oil circuit system error
H16
03: TK3 Oil circuit system error
04: TK4 Oil circuit system error
05: TK5 Oil circuit system error
L04
—
No. of preceded indoor units
L06
([L05/L06] by individual display)
L08
—
L10
—
L17
—
L18
—
L26
No. of connected heat units
L27
No. of connected heat units
L28
—
A3-IPDU
A3-IPDU
FAN
FAN
IPDU
IPDU
1
2
3
1
2
3
01
¡
0A
¡
¡
¡
¡ ¡
¡
02
0B
¡ ¡
¡
¡
03
0C
L29
04
¡
0D
¡
¡
¡
¡
¡
¡ ¡
¡
05
0E
¡ ¡
¡ ¡ ¡
¡
06
0F
07
¡ ¡ ¡
¡
¡
08
mark:
Error position.
¡
¡
09
L30
Detection of indoor unit number
P03
—
00: Open phase shortage detection
01: Compressor 1 side
P05
02: Compressor 2 side
03: Compressor 3 side
Sensor lamp display
Block display
TCC-LINK central &
remote controllers
Operation Timer Ready Flash
l
¥
l
H05
l
l
¥
H15
l
l
¥
H25
l
¥
l
H06
l
¥
l
H07
l
¥
l
H08
l
¥
l
H16
¥
¡
¥
L04
S
¥
l
¥
L05
S
l
¥
¥
L06
S
l
¥
¥
L08
S
¥
¡
¥
L10
S
¥
¡
¥
L17
S
¥
¡
¥
L18
S
¥
¡
¥
L26
S
¥
¡
¥
L27
S
¥
¡
¥
L28
S
¥
¡
¥
L29
S
¥
¡
¥
(L30)
S
¥
l
¥
P03
A
l
P05
¥
¥
A
(∗) ¡: Goes on, ¥: Flashes, l: Goes off
A (Alternate)
: Flashing condition is alternate when there are two flashing LED.
S (Simultaneously) : Two LED flash simultaneously when there are two flashing LED.
Main defective position
Outdoor discharge temp. sensor (TD1)
Miswiring or mismounting of outdoor discharge temp. sensor (TD1) or coming-out
miswiring
of TD1 sensor was detected.
Outdoor discharge temp. sensor (TD2)
Miswiring or mismounting of outdoor discharge temp. sensor (TD2) or coming-out
miswiring
of TD2 sensor was detected.
Outdoor discharge temp. sensor (TD3)
Miswiring or mismounting of outdoor discharge temp. sensor (TD3) or coming-out
miswiring
of TD3 sensor was detected.
Low pressure protective operation
Protection by low pressure (Ps) sensor was detected.
Protection for oil level drop
Protection detection by temp. sensor (TK1 to 5) for oil level detection.
Oil level detection temp. sensor
Open/Short of temp. sensor (TK1 to 5) for oil level detection was detected.
(TK1 to 5) error
After starting compressor operation, temperature change of temp. sensor
(TK1 to 5) for oil level detection was not detected.
Detection circuit error
Duplicated outdoor system address
Duplicated setting of system address to outdoor units of different refrigerant
piping system
Duplicated priority indoor units
Duplicated priority indoor units (For priority indoor unit)
(Displayed in priority indoor unit)
Duplicated priority indoor units
Duplicated priority indoor units (For indoor units without priority)
(Displayed except priority indoor unit)
Unset indoor group address
There is indoor unit which indoor group address was not set
(Detected also at indoor unit side)
Unset outdoor unit capacity
Capacity of outdoor unit is not set. (Exchange service P .C. board.)
Disagreed error of outdoor model
Former model of outdoor unit (Before 3 series) was connected.
Refrigerant change unit system error
COOL/HEAT cycle error by mispiping, etc was detected.
No. of connected heat unit over
There are 3 or more connected heat units.
No. of connected heat unit error
Heat unit was not connected, or combination of No. of outdoor units with No. of
heat units defective.
No. of connected outdoor units over
No. of connected outdoor units exceeded 4 units
IPDU quantity error
No. of IPDU (P .C. board) in inverter box is few.
Outside error input in indoor (Interlock)
There is indoor unit which abnormally stops by outer error input in 1 system.
(← Indoor unit detected.)
Outdoor unit discharge (TD1) temp. error
High temp. error was detected at outdoor discharge temp. sensor (TD1).
Open phase shortage: Power failure error
When power supply was turned on, open phase shortage was detected.
Inverter DC voltage (Vdc) error
Over current/Current shortage was detected at inverter DC voltage.
Description
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