3.1 Troubleshooting

1.

2.

Top secret
Secret
Internal use only
Public
VRV IV+
Service Product Training
Level 3 Service Technician – Troubleshooting & Repair

3.

1. Error based troubleshooting
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Troubleshooting&Repair - Internal use only

4.

1.
Error based troubleshooting
A. How to retrieve error codes from the unit
B. Where to find information about an error
C. How to reset an error
D. How to enable backup mode or emergency mode in case
of severe error
E. Groupwork
F. Groupwork

5.

1.A. How to retrieve error codes
from the unit
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Troubleshooting&Repair - Internal use only

6.

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Troubleshooting&Repair - Internal use only

7.

1.A. How to retrieve error codes from the unit
• From remote controller ( BRC, ….)
Scope of this training
• From outdoor PCB
• Symptom based. (a lot of experience needed)
• From central control device (ITM)
• From service monitoring device
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Troubleshooting&Repair - Internal use only

8.

1.A. How to retrieve error codes from the unit
Typical Daikin “error” list code system with sub-codes
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Troubleshooting&Repair - Internal use only

9.

1.A. How to retrieve error codes from the unit
On the indoor controllers old BRCxx style-screen
new BRC1H with daikin eye blue red
For an overview of indoor unit error codes and what they
mean, see the documentation of involved indoor units.
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Troubleshooting&Repair - Internal use only

10.

1.A. How to retrieve error codes from the unit
On the outdoor unit
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Troubleshooting&Repair - Internal use only

11.

1.A. How to retrieve error codes from the unit
On the outdoor unit
Normal
mode
In case there is no
instant
malfunction code
shown, the 7
segment display
needs to put into
monitor mode
Code nr
View Upper
error code
…
List indication Error code
17
Last forced off
18
2nd last forced off
19
3rd last forced off
23
Last stop retry
24
2nd last stop retry
25
3rd last stop retry
11
Monitor
mode
Possible error
monitor codes
Troubleshooting&Repair - Internal use only
Normal
mode
View Lower
error code

12.

1.B. Where to find information
about an error
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Troubleshooting&Repair - Internal use only

13.

1.B. Where to find information about an error
https://my.daikin.eu
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Troubleshooting&Repair - Internal use only

14.

1.B. Where to find information about an error
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Troubleshooting&Repair - Internal use only

15.

1.B. Where to find information about an error
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Troubleshooting&Repair - Internal use only

16.

1.B. Where to find information about an error
Support on error codes can be found using different documentation
Using the operation, installer manual download from mydaikin.eu
Using the service manual (off line pdf, online html)
E-care app for recent products
RXYQ-U
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Troubleshooting&Repair - Internal use only

17.

1.B. Where to find information about an error
Using the operation manual & installer reference guide
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Troubleshooting&Repair - Internal use only

18.

1.B. Where to find information about an error
Using the service manual: Check https://mydaikin.eu
Service manual is containing the most advanced level of troubleshooting info and guidelines
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Troubleshooting&Repair - Internal use only

19.

1.B. Where to find information about an error
Using the service manual in pdf mode
The service manual is containing advanced level of
troubleshooting, extra info and guidelines using the links.
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Troubleshooting&Repair - Internal use only

20.

1.B. Where to find information about an error
Using the e-Care app
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Troubleshooting&Repair - Internal use only

21.

1.C. How to reset an error?
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Troubleshooting&Repair - Internal use only

22.

1.C. How to reset an error
• Some errors are resettable on the indoor controller
• Some errors are resettable by an power reset on the out door
• Some errors are auto resettable once error condition is solved,
Solve the cause of the error, and press to
“+” for 3 sec remove the error.
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Troubleshooting&Repair - Internal use only
The used manual
will indicate the
reset method
Solve the cause of the error, and
perform a power reset.

23.

1.D . How to enable backup
mode or emergency mode in
case of severe error
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Troubleshooting&Repair - Internal use only

24.

1.D . How to enable backup mode or emergency mode in case of severe error
• In case of fatal error on of the compressor’s the faulty compressor or module in a
master slave system can be disabled
• In backup mode the unit can continue to operate with reduced capacity.
• Field settings are to be made to configure and activate backup operation.
Disable
Master/
individual
Slave 1
Slave 2
Compressor 1
2_38_1
2_39_1
2_40_1
Compressor 2
2_38_2
2_39_2
2_40_2
Complete module
2_38_3
2_39_3
2_40_3
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Troubleshooting&Repair - Internal use only

25.

1.E. Groupwork
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Troubleshooting&Repair - Internal use only

26.

1.F. Groupwork
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Troubleshooting&Repair - Internal use only

27.

Thank you