Daikin REYQ8-48PY1B, Service Manual

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Troubleshooting by Indication on the Remote Controller SiBE37-701_B
345 Troubleshooting
3.50
“
U3
”
Outdoor Unit: Check Operation is not Executed
Remote
Controller
Display
U3
Applicable
Models REYQ8P~48P
Method of
Malfunction
Detection Check operation is executed or not executed
Malfunction
Decision
Conditions Malfunction is decided when the unit starts operation without check operation.
Supposed
Causes
„
Check operation is not executed.
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Press and hold BS4 on the
outdoor master PCB for 5
seconds or more, or turn ON the
local setting mode 2-3 to conduct
a check operation.
Has the check
operation performed
on outdoor unit
PCB?
NO
YES
Performs the check operation
again and completes the check
operation.
When a leakage detection
function is needed, normal
operation of charging refrigerant
must be completed. And then,
start once again and complete a
check operation.