Mitsubishi Electric PUHY-P250YNW-A Service Handbook page 91

[5-1 Dipswitch Functions and Factory Settings ]
Switch
Enables or disables the de-
tection of the following
types of inverter compres-
sor errors
ACCT, DCCT sensor er-
ror(5301 Detail code 115,
116)
1 ACCT, DCCT sensor cir-
cuit error(5301 Detail code
117, 118)
IPM open-phase/CNCT2
connection error(5301 De-
tail code 119)
Wiring connection er-
ror(5301 Detail code 120)
Enables or disables no-
load operation of the left
fan inverter
The unit continues no-load
operation for 30 seconds
2
and comes to an error
stop. See the relevant pag-
es for details: [8-9-9
Checking the Fan Board
SW7
for Damage at No Load]
3
Enables or disables no-
load operation of the right
fan inverter
The unit continues no-load
operation for 30 seconds
4
and comes to an error
stop. See the relevant pag-
es for details: [8-9-9
Checking the Fan Board
for Damage at No Load]
5
6
7
8
Switches between the nor-
9 mal startup mode and the
USB writer rewrite mode
2
- chapter 5
Function according to switch setting
Function
OFF
Error detection
enabled
No-load opera-
tion disabled
No-load opera-
tion disabled
- -
- -
- -
- -
Normal startup
mode
Switch setting timing
ON
Error detection
disabled (no-load Any time after power
operation al- on
lowed)
No-load opera- Any time after power
tion enabled on
No-load opera- Any time after power
tion enabled on
-
-
-
-
USB writer re-
Before power on
write mode
Units that require
switch setting
(Note 2)
C
C
-
C
- -
- -
- -
- -
C
BS_05_C