
Troubleshooting
Si39-303
218
Operation Manual
9. Troubleshooting
If one of the following malfunctions occur, take the measures shown below and contact
your Daikin dealer.
The system must be repaired by a qualified service person.
!
If a safety device such as a fuse, a breaker or an earth leakage breaker frequently actuates,
or the ON/OFF switch does not properly work;
Measure: Turn off the main power switch.
!
If water leaks from unit;
Measure: Stop the operation.
!
If the display “
”, the unit number and the operation lamp flash and the malfunction
code appears;
RXYQ series
REYQ series
Measure: Notify your Daikin dealer and report the malfunction code.
If the system does not properly operate except for the above mentioned cases and none
of the above mentioned malfunctions is evident, investigate the system according to the
following procedures.
1. If the system does not operate at all;
!
Check if there is no power failure.
Wait until power is restored. If power failure occurs during operation, the system
automatically restarts immediately after the power supply is recovered.
!
Check if no fuse has blown or breaker has worked. Change the fuse or reset the breaker if
necessary.
2. If the system goes into fan only operation, but as soon as it goes into heating or cooling
operation, the system stops;
!
Check if air inlet or outlet of outdoor or indoor unit is not blocked by obstacles.
Remove any obstacle and make it well-ventilated.
!
Check if the remote controller display shows “
” (time to clean the air filter). (Refer to the
chapter “Maintenance” in the indoor unit manual.)
3. The system operates but cooling or heating is insufficient;
!
Check if air inlet or outlet of outdoor or indoor unit is not blocked by obstacles.
Remove any obstacle and make it well-ventilated.
!
Check if the air filter is not clogged. (Refer to the chapter “Maintenance” in the indoor unit
manual.)
!
Check the temperature setting.
!
Check the fan speed setting on your remote controller.
!
Check for open doors or windows. Shut doors and windows to prevent wind from coming in.
!
Check if there are too many occupants in the room during cooling operation.
TEST
1. Inspection display
2. Indoor unit number in which a malfunction occurs
3. Operation lamp
4. Malfunction code
Содержание VRV II Series
Страница 6: ...Si39 303 iv Table of Contents...
Страница 31: ...Si39 303 Installation General Information 25 Flaring Procedure...
Страница 124: ...Appendix Si39 303 118 General Information 3P114237A...
Страница 130: ...Appendix Si39 303 124 General Information BHFP22M135 Refer P 120 for Table 7 8 and 9 After connection piping...
Страница 140: ...Appendix Si39 303 134 General Information 7 10 Piping System Diagrams 7 10 1 Outdoor Unit RXYQ5MY1B...
Страница 141: ...Si39 303 Appendix General Information 135 RXYQ8MY1B RXYQ10MY1B RXYQ12MY1B 4D040338A...
Страница 142: ...Appendix Si39 303 136 General Information RXYQ14MY1B RXYQ16MY1B 4D040339A...
Страница 144: ...Appendix Si39 303 138 General Information 7 11 Wiring Diagrams 7 11 1 Outdoor Unit RXYQ5MY1B...
Страница 145: ...Si39 303 Appendix General Information 139 RXYQ8MY1B RXYQ10MY1B RXYQ12MY1B 3D038582...
Страница 146: ...Appendix Si39 303 140 General Information RXYQ14MY1B RXYQ16MY1B 3D038058...
Страница 147: ...Si39 303 Appendix General Information 141 7 11 2 Field Wiring RXYQ5 16MY1B 3D040746...
Страница 148: ...Appendix Si39 303 142 General Information RXYQ18 32MY1B 3D040747...
Страница 149: ...Si39 303 Appendix General Information 143 RXYQ34 48MY1B 3D040748...
Страница 158: ...Appendix Si39 303 152 General Information...
Страница 180: ...Refrigerant Piping Si39 303 174 Installation Manual...
Страница 226: ...Troubleshooting Si39 303 220 Operation Manual...