SiBE281013
Troubleshooting by Remote Controller
Service Diagnosis
147
4.28 Defective Capacity Setting
Remote
Controller
Display
PJ
Applicable
Models
RZQG
Method of Error
Detection
Check whether set value written in E
2
PROM (at factory) or set value of capacity setting adaptor
(for spare) is the same as outdoor unit capacity.
Error Decision
Conditions
When the set value on E
2
PROM differs from the outdoor unit capacity or a capacity setting
adaptor except for PCB applicable models is installed. (Error decision is made only when
turning the power supply ON.)
Supposed
Causes
Improper set value of E
2
PROM
Improper capacity setting adaptor
Mismatching of type of PCB
Troubleshooting
Note:
∗
Capacity setting adaptor is not connected at factory. (Capacity is written in E²PROM.) Capacity setting
adaptor is required only when the PCB was replaced with a spare PCB.
Replace with a correct PCB.
Mount the correct capacity
setting adaptor correctly.
NO
YES
NO
Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred.
NO
Reset, and then restart.
YES
YES
Has the PCB
been replaced?
Is the type of
PCB correct?
Is
the correct
capacity setting
adaptor connected to
the outdoor unit
PCB?
(
∗
)
