Mitsubishi Electric HP120TNU-A Service Handbook page 127

[5-1 Dipswitch Functions and Factory Settings ]
Switch Function
Enables or disables
the detection of the
following types of in-
verter compressor er-
rors
ACCT, DCCT sensor
error(5301 Detail
code 115, 116)
ACCT, DCCT sensor
1
circuit error(5301 De-
tail code 117, 118)
IPM open-phase/
CNCT2 connection
error(5301 Detail
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 and
2 comes to an error
stop. See the rele-
vant pages for de-
tails: [8-10-8
Checking the Fan
SW7
Board 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 and
4 comes to an error
stop. See the rele-
vant pages for de-
tails: [8-10-8
Checking the Fan
Board for Damage at
No Load]
5
6
7
8
Switches between
the normal startup
9
mode and the USB
writer rewrite mode
2
- chapter 5
Function according to switch setting
OFF
Error detection en-
abled
No-load operation
disabled
- -
No-load operation
disabled
- -
- -
- -
- -
Normal startup
mode
Switch setting tim-
ON
Error detection dis-
Any time after pow-
abled (no-load op-
er on
eration allowed)
No-load operation Any time after pow-
enabled er on
-
No-load operation Any time after pow-
enabled er on
-
-
-
-
USB writer rewrite
Before power on
mode
Units that require
switch setting
ing
(Note 2)
C
C
- -
C
- -
- -
- -
- -
C
HWE18220_GB