94
Check code
Location
of
detection
Description
System status
Error detection
condition(s)
Check items (locations)
Main
remote
controller
Outdoor 7-segment display
Check code
Sub-code
H07
H07
–
I/F
Low oil level
protection
All stop
Operating compressor
detects continuous state of
low oil level for about 2 hours.
<All outdoor units in
corresponding line to be
checked>
• Check balance pipe
service valve to confirm full
opening.
• Check connection and
installation of TK1, TK2,
TK3, TK4, and TK5
sensors.
• Check resistance
characteristics of TK1,
TK2, TK3, TK4, and TK5
sensors.
• Check for gas or oil leak in
same line.
• Check for refrigerant
entrapment inside
compressor casing.
• Check SV3A, SV3B,
SV3C, SV3D, SV3E, and
SV3F valves for defect.
• Check oil return circuit of
oil separator for clogging.
• Check oil equali
z
ing circuit
for clogging.
H08
H08
01: TK1 sensor
error
02: TK2 sensor
error
03: TK3 sensor
error
04: TK4 sensor
error
05: TK5 sensor
error
I/F
Error in
temperature
sensor for oil
level detection
All stop
Sensor resistance is infinity
or
z
ero (open/short circuit).
• Check connection of TK1
sensor connector.
• Check resistance
characteristics of TK1
sensor.
• Check for defect in outdoor
P.C. board (I/F).
All stop
Sensor resistance is infinity
or
z
ero (open/short circuit).
• Check connection of TK2
sensor connector.
• Check resistance
characteristics of TK2
sensor.
• Check for defect in outdoor
P.C. board (I/F).
All stop
Sensor resistance is infinity
or
z
ero (open/short circuit).
• Check connection of TK3
sensor connector.
• Check resistance
characteristics of TK3
sensor.
• Check for defect in outdoor
P.C. board (I/F).
All stop
Sensor resistance is infinity
or
z
ero (open/short circuit).
• Check connection of TK4
sensor connector.
• Check resistance
characteristics of TK4
sensor.
• Check for defect in outdoor
P.C. board (I/F).
All stop
Sensor resistance is infinity
or
z
ero (open/short circuit).
• Check connection of TK5
sensor connector.
• Check resistance
characteristics of TK5
sensor.
• Check for defect in outdoor
P.C. board (I/F).
H15
H15
–
I/F
TD2 sensor
miswiring
(incomplete
insertion)
All stop
Air discharge temperature of
(TD2) does not increase
despite compressor 2 being
in operation.
• Check installation of TD2
sensor.
• Check connection of TD2
sensor connector and
wiring.
• Check resistance
characteristics of TD2
sensor.
• Check for defect in outdoor
P.C. board (I/F).
Содержание Carrier MMC-AP0181H2UL
Страница 11: ...11 2 CONSTRUCTION VIEWS EXTERNAL VIEWS 2 1 4 Way Cassette Type MMU AP0072H2UL AP0092H2UL AP0122H2UL ...
Страница 12: ...12 MMU AP0152H2UL AP0182H2UL ...
Страница 13: ...13 MMU AP0212H2UL MMU AP0242H2UL MMU AP0302H2UL ...
Страница 14: ...14 MMU AP0362H2UL MMU AP0422H2UL ...
Страница 15: ...15 2 2 Compact 4 Way Cassette Type MMU AP0071MH2UL MMU AP0091MH2UL MMU AP0121MH2UL ...
Страница 16: ...16 MMU AP0151MH2UL MMU AP0181MH2UL ...
Страница 153: ...153 11 EXPLODED VIEWS AND PARTS LIST 1 1 4 Way Cassette Type MMU AP0072H2UL AP0092H2UL AP0122H2UL ...
Страница 156: ...156 MMU AP0152H2UL AP0182H2UL AP0212H2UL AP0242H2UL AP0302H2UL ...
Страница 159: ...159 MMU AP0362H2UL AP0422H2UL ...
Страница 164: ...164 11 2 Compact 4 way Cassette Type MMU AP0071MH2UL AP0091MH2UL AP0121MH2UL AP0151MH2UL AP0181MH2UL ...
Страница 168: ...168 11 3 Ceiling Type MMC AP0181H2UL AP0241H2UL AP0361H2UL AP0421H2UL ...
Страница 174: ...174 MMK AP0153H AP0183H AP0243H ...