58
SC-27
1
2
3
4
A
B
C
D
E
F
1
2
3
4
6. SERVICE MODE
6.1 TEST MODE
Key operation
FL display
Display number of times
DC is detected.
Display number of times
O
V
ERLOAD is detected.
Display number of times
COMBI
N
ATIO
N
is detected.
(Detects DC and O
V
ERLOAD
simultaneously)
Display number of times
FA
N
STOP is
detected.
Display number of times
AMP overheat is
detected.
[
↓
]
[
↑
]
[
↓
]
[
↑
]
[
↓
]
[
↑
]
[
↓
]
[
↑
]
[
↓
]
[
↑
]
Display number of times
Digital Power abnormality is
detected.
[
↓
]
[
↑
]
Display number of times
B REG power supply
overheat is detected.
[
↓
]
[
↑
]
O L
:
D C
:
:
:
C O M
F A
N
:
S T M P
:
D E R R
[1] Detected protection history
[Purpose]
The numbers of detections for various protection processes are displayed.
[How to enter/exit]
[Basic operations]
During Standby mode, simultaneously press and hold “MULTI-ZO
N
E O
N
/OFF” and “E
N
TER” keys for 5 seconds to enter
this mode.
Turn off the power to this unit by setting the main volume level to “---dB” and Multi-zone to “OFF”.
:
B T M P
Display number of times
B REG power supply
failure is detected.
[
↓
]
[
↑
]
:
B E R R