237
TROUBLESHOOTING
9A
Electronic expansion valve open position of the indoor
unit whose is stopped in heating mode (steps)
○
9b
Electronic expansion valve open position of the indoor
unit whose temperature control is stopped in heating
mode (steps)
○
9c Heating indoor SC target set value (steps) ○
9d Heating hot start high pressure set value (0.01 MPa) ○
b0 Error log 1 (latest) ●
b1 Error log 2 (previous) ●
b2 Error log 3 (2 times ago) ●
b3 Error log 4 (3 times ago) ●
b4 Error log 5 (4 times ago) ●
b5 Error log 6 (5 times ago) ●
b6 Error log 7 (6 times ago) ●
b7 Error log 8 (7 times ago) ●
b8 Error log 9 (8 times ago) ●
b9 Error log 10 (9 times ago) ●
c0 Address under combined installation ●
c1
Number of connected units under combined installa-
tion (Number of outdoor units)
○
d0 EX4 address ○
d1 Number of connected indoor units ○
d2
Number of connected BS units (BS unit is used for
cooling/heating simultaneous operation system)
○
d3 Number of D
Ⅲ terminals ○
d4 Number of D
Ⅲ outdoor units ○
d5
Number of D
Ⅲ BS units (BS unit is used for cooling/
heating simultaneous operation system)
○
d6 Number of D
Ⅲ zones ○
d9 Air net address number ○○
※
dA Cooling/heating collective address number ○○※
db Low noise address number ○○※
E0 Switching of indoor unit number display ○○
E8
Indoor electronic expansion valve open position
forced setting in shutdown status
○○
※
E9
Indoor electronic expansion valve open position
forced setting when temperature control is OFF
○○※
EA
Indoor electronic expansion valve open position
forced setting when temperature control is ON
○○※
Eb
Indoor unit heat exchanger fan air volume forced
setting in shutdown status
○○※
Ec
Indoor unit heat exchanger fan air volume forced
setting when temperature control is OFF
○○※
Ed
Indoor unit heat exchanger fan air volume forced
setting when temperature control is ON
○○※
Code No. Functions Monitor Command Check Remark
○ : Available for only master unit., ● : Available for both master and dependent units., ◎ : Available for both master and dependent
units, although some functions are not available for dependent unit.
※ : Not available when maintenance checker is connected. (No code is available in check mode.)
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