Defective Capacity Setting - Daikin ZQG71~140L7V1B Service Manual

ESIE12-06

4.28 Defective Capacity Setting

PJ
Remote
Controller
Display
Applicable
RZQG
Models
Method of Error
Check whether set value written in E
Detection (for spare) is the same as outdoor unit capacity.
Error Decision
When the set value on E
Conditions adaptor except for PCB applicable models is installed. (Error decision is made only when
turning the power supply ON.)
Supposed
 Improper set value of E
Causes  Improper capacity setting adaptor
 Mismatching of type of PCB
Troubleshooting
Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred.
Has the PCB
been replaced?
NO
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.
Service Diagnosis
2
PROM differs from the outdoor unit capacity or a capacity setting
2
YES Is the type of
PCB correct?
YES
2
PROM (at factory) or set value of capacity setting adaptor
PROM
NO
Is
the correct
capacity setting
adaptor connected to
the outdoor unit
PCB?
(∗)
YES
Troubleshooting by Remote Controller
Replace with a correct PCB.
NO
Mount the correct capacity
setting adaptor correctly.
Reset, and then restart.
175