
Si34-601A
Symptom-based Troubleshooting
Troubleshooting
201
1. Symptom-based Troubleshooting
Symptom
Supposed Cause
Countermeasure
1
The system does not start operation at all.
Blowout of fuse(s)
Turn Off the power supply and
then replace the fuse(s).
Cutout of breaker(s)
• If the knob of any breaker is in
its OFF position, turn ON the
power supply.
• If the knob of any circuit
breaker is in its tripped position,
do not turn ON the power
supply.
Power failure
After the power failure is reset,
restart the system.
2
The system starts operation but makes an
immediate stop.
Blocked air inlet or outlet of indoor
or outdoor unit
Remove obstacle(s).
Clogged air filter(s)
Clean the air filter(s).
3
The system does not cool or heat air well.
Blocked air inlet or outlet of indoor
or outdoor unit
Remove obstacle(s).
Clogged air filter(s)
Clean the air filter(s).
Enclosed outdoor unit(s)
Remove the enclosure.
Improper set temperature
Set the temperature to a proper
degree.
Airflow rate set to "LOW"
Set it to a proper airflow rate.
Improper direction of air diffusion
Set it to a proper direction.
Open window(s) or door(s)
Shut it tightly.
[In cooling] Direct sunlight received
Hang curtains or shades on
windows.
[In cooling] Too many persons staying in a
room
[In cooling] Too many heat sources (e.g. OA
equipment) located in a room
4
The system does
not operate.
The system stops and
immediately restarts operation.
If the OPERATION lamp on the
remote controller turns ON, the
system will be normal. These
symptoms indicate that the
system is controlled so as not to
put unreasonable loads on the
system.
Normal operation. The system will
automatically start operation after
a lapse of five minutes.
Pressing the TEMP ADJUST
button immediately resets the
system.
The remote controller displays
"UNDER CENTRALIZED
CONTROL", which blinks for a
period of several seconds
when the OPERATION button
is depressed.
The system is controlled with
centralized controller. Blinking
display indicates that the system
cannot be operated using the
remote controller.
Operate the system using the
COOL/HEAT centralized remote
controller.
The system stops immediately
after turning ON the power
supply.
The system is in preparation
mode of micro computer
operation.
Wait for a period of approximately
one minute.
5
The system
makes
intermittent
stops.
The remote controller displays
malfunction codes "U4" and
"U5", and the system stops but
restarts after a lapse of several
minutes.
The system stops due to an
interruption in communication
between units caused by
electrical noises coming from
equipment other than air
conditioners.
Remove causes of electrical
noises.
If these causes are removed, the
system will automatically restart
operation.
6
COOL-HEAT
selection is
disabled.
The remote controller displays
"UNDER CENTRALIZED
CONTROL".
This remote controller has no
option to select cooling operation.
Use a remote controller with
option to select cooling operation.
The remote controller displays
"UNDER CENTRALIZED
CONTROL", and the COOL-
HEAT selection remote
controller is provided.
COOL-HEAT selection is made
using the COOL-HEAT selection
remote controller.
Use the COOL-HEAT selection
remote controller to select cool or
heat.
ON
OFF
Knob
Tripped
Circuit breaker
Содержание VRV III RXYQ5-54PY1
Страница 1: ...RXYQ5 54PY1 R 410A Heat Pump 50Hz Si34 601A...
Страница 22: ...Si34 601A Specifications 11 Part 2 Specifications 1 Specifications 12 1 1 Outdoor Units 12 1 2 Indoor Units 33...
Страница 72: ...Si34 601A Refrigerant Circuit Refirgerant Circuit 61 RXYQ5P 3D050782 5 6 2 K T E D M N A P O W G J 4 3 1...
Страница 74: ...Si34 601A Refrigerant Circuit Refirgerant Circuit 63 RXYQ8P 3D050783 5 7 6 2 3 1 4 D N A P M O W T E F V G J...
Страница 101: ...Refrigerant Flow for Each Operation Mode Si34 601A 90 Refirgerant Circuit...
Страница 153: ...Outline of Control Indoor Unit Si34 601A 142 Function...
Страница 219: ...Troubleshooting by Remote Controller Si34 601A 208 Troubleshooting...
Страница 226: ...Si34 601A Troubleshooting by Remote Controller Troubleshooting 215...
Страница 325: ...Troubleshooting OP Unified ON OFF Controller Si34 601A 314 Troubleshooting...
Страница 327: ...Piping Diagrams Si34 601A 316 Appendix 1 Piping Diagrams 1 1 Outdoor Unit RXYQ5PY1 3D050782...
Страница 328: ...Si34 601A Piping Diagrams Appendix 317 RXYQ8P 3D050783...
Страница 329: ...Piping Diagrams Si34 601A 318 Appendix RXYQ10P 12PY1 3D050784...
Страница 330: ...Si34 601A Piping Diagrams Appendix 319 RXYQ14P 16P 18PY1 3D050785...
Страница 334: ...Si34 601A Piping Diagrams Appendix 323 FXUQ BEVQ Indoor unit Connection Unit 4D037995F 4D034127B...
Страница 335: ...Wiring Diagrams for Reference Si34 601A 324 Appendix 2 Wiring Diagrams for Reference 2 1 Outdoor Unit RXYQ5PY1 3D050453G...
Страница 336: ...Si34 601A Wiring Diagrams for Reference Appendix 325 RXYQ8PY1 3D050454J...
Страница 337: ...Wiring Diagrams for Reference Si34 601A 326 Appendix RXYQ10PY1 3D050455H...
Страница 338: ...Si34 601A Wiring Diagrams for Reference Appendix 327 RXYQ12PY1 3D051890G...
Страница 339: ...Wiring Diagrams for Reference Si34 601A 328 Appendix RXYQ14P 16P 18PY1 3D050456H...
Страница 340: ...Si34 601A Wiring Diagrams for Reference Appendix 329 2 2 Field Wiring RXYQ5P 8P 10P 12P 14P 16P 18PY1 3D051452D...
Страница 341: ...Wiring Diagrams for Reference Si34 601A 330 Appendix RXYQ20P 22P 24P 26P 28P 30P 32PY1 3D052261B...
Страница 342: ...Si34 601A Wiring Diagrams for Reference Appendix 331 RXYQ34P 36P 38P 40P 42P 44P 46P 48P 50P 52P 54PY1 C 3D052262B...
Страница 343: ...Wiring Diagrams for Reference Si34 601A 332 Appendix 2 3 Indoor Unit FXCQ20M 25M 32M 63MVE 3D039556A...
Страница 344: ...Si34 601A Wiring Diagrams for Reference Appendix 333 FXCQ40M 50M 80M 125MVE 3D039557A...
Страница 345: ...Wiring Diagrams for Reference Si34 601A 334 Appendix FXFQ25M 32M 40M 50M 63M 80M 100M 125MVE 3D039600A...
Страница 346: ...Si34 601A Wiring Diagrams for Reference Appendix 335 FXZQ20M 25M 32M 40M 50M7V1B 3D038359...
Страница 347: ...Wiring Diagrams for Reference Si34 601A 336 Appendix FXKQ25MA 32MA 40MA 63MAVE 3D039564C...
Страница 350: ...Si34 601A Wiring Diagrams for Reference Appendix 339 FXSQ20M 25M 32M 40M 50M 63M 80M 100M 125MVE 3D039561A...
Страница 351: ...Wiring Diagrams for Reference Si34 601A 340 Appendix FXMQ40MA 50MA 63MA 80MA 100MA 125MAVE 3D039620B...
Страница 352: ...Si34 601A Wiring Diagrams for Reference Appendix 341 FXMQ200MA 250MAVE 3D039621B...
Страница 353: ...Wiring Diagrams for Reference Si34 601A 342 Appendix FXHQ32MA 63MA 100MAVE 3D039801D...
Страница 354: ...Si34 601A Wiring Diagrams for Reference Appendix 343 FXAQ20MA 25MA 32MAVE 40MA 50MA 63MAVE 3D034206C...
Страница 356: ...Si34 601A Wiring Diagrams for Reference Appendix 345 FXUQ71MA 100MA 125MAV1 3D044973A...
Страница 357: ...Wiring Diagrams for Reference Si34 601A 346 Appendix FXMQ125MF 200MF 250MFV1 3D044996C...
Страница 358: ...Si34 601A Wiring Diagrams for Reference Appendix 347 BEVQ71MA 100MA 125MAVE 3D044901B...
Страница 381: ...Method of Checking The Inverter s Power Transistors and Diode Modules Si34 601A 370 Appendix...
Страница 395: ...Si34 601A iv Index...