Error Codes Via Outdoor Unit Pcb; How To Retrieve Error Codes - Daikin R32 Sky-Air RZAG-M Service Manual

ESIE17-08 | Part 2. Troubleshooting

2.1.2. Error codes via outdoor unit PCB

2.1.2.1. How to retrieve error codes

There are 2 ways to retrieve error codes through the outdoor unit:
1. Troubleshooting by LED on the outdoor main PCB
The following diagnosis can be conducted by turning on the power switch and checking the LED indication on the PCB of the
outdoor unit.
w x
: LED on / : LED off /
LED detection
HAP
(Green)
c
w
x
c
I
NFORMATION
1. Turn off the power switch, and turn it on again after 5 seconds or more. Check the error condition, and diagnose the
problem.
2. Turn off the power switch. After 5 seconds or more, disconnect the connection wire (2). Then turn on the power switch.
If the HAP on the outdoor unit PCB flashes after about 10 seconds, the PCB A1P is faulty.
3. Also check for open phase.
I
NFORMATION
The error detection monitor continues to indicate the previously generated error until the power switch is turned off.
Be sure to turn off the power switch after inspection.
2. Troubleshooting by LED on the outdoor service PCB
Take the following steps to check the error or warning (malfunction):
To enter "Monitor mode," push the MODE (BS1)
button on A2P when in "Setting mode 1". (*)
Push the SET (BS2) button to set the LED
display to malfunction item according to
binary counting. (**)
<Display of RETURN 1>
When the RETURN (BS3) button is pushed,
the LED display for RETURN 1 turns ON.
15/11/18 | Version 1.1
R32 Sky-Air RZAG-M
c
: LED blinks / — : Not used for diagnosis
H1P Description
(Red)
Normal
x
— Faulty outdoor unit PCB (Information 1)
— Power supply abnormality, or faulty outdoor unit PCB (Information 2)
Activation of protection device (Information 3)
w
.
.
<Display of RETURN 2>
When SET (BS2) button is pushed, the LED
display for RETURN 2 turns ON.
<Display of RETURN 3>
When SET (BS2) button is pushed, the LED
display for RETURN 3 turns ON.
Check the error code that matches the LED
sequence (see table on next page).
Push the RETURN (BS3) button to return the
system to the initial state of "Monitor mode".
! Pushing the MODE (BS1) button will bring the
system to the "Setting mode 1".
2.1. Error codes check
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