Daikin MKS-T Series, Руководство по обслуживанию

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Troubleshooting for MSP Duct Type Indoor Unit SiSG121917E
137 Part 6 Service Diagnosis
6.10 Field Setting Abnormality
Error Code
UA
Error Decision
Conditions
Incorrect field setting
Supposed
Causes
 Defective indoor unit PCB
 Defective outdoor unit PCB

Improper power supply
 Indoor-outdoor, indoor-indoor unit transmission wiring
 Defective remote controller wiring
Troubleshooting
Connect the w irings correctly.
Replace the indoor u nit PCB
(control PCB).
N ormal
Connect the w irings correctly.
Check the po w er s u pply system
inside the indoor u nit.
Co u ld b e incorrect w iring.
Check again.
YES
YES
N O
N O
Connect the remote controller
correctly.
YES
YES
N O
YES
Remo v e the j u mper.
N O
YES
Set the field setting correctly.
YES
N O
N O
N O
Blink
(R22125)
Is the remote
controller connected to
one or more indoor
u nits?
Is the remote
controller w iring j u mped
b et w een indoor
u nits?
Is the field
setting correct?
Do the ser v ice
monitors of all the
indoor u nits b link?
Are the w irings
b et w een indoor u nit and
o u tdoor u nit correctly
connected?
Is 220 ~ 240
VAC b et w een N o.1
and 3 of the terminal
b oard for transmission
(indoor u nit)?
Does the system cond u ct
normal operation?
Are the w irings
b et w een indoor u nit and
o u tdoor u nit correctly
connected?
T u rn off the po w er. Then, t u rn
on the po w er to restart the
system.
Contin u o u sly
O N or OFF
Caution
Be s u re to t u rn off the po w er s w itch b efore connecting or disconnecting
connectors, or parts may b e damaged.