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Chapter 4: System Protection Mechanism
4.1. Input Breaker
The function of this switch is to prevent over current at input side from any malfunction
happening and simultaneously provide a manual switch for user to turn off the power supply.
4.2. Protection by MCU (A: Auto Recovery, L: Latch)
Alarm Condition
HW Fault M1
SW OVP
SW OCP
SW OPP
Target Life Monitor
Output Interlock
Contactor Interlock
Communication Loss
Fan1 Error
Fan2 Error
Bus UVP
Bus OVP
Set Point Monitor
Energy Mode Monitor
Warning Condition
Output Limit
Table 4.1 Definition and description of MCU protection
Code
M1F
Hardware error from the left module
OV
Output over voltage
OC
Output over current
OP
Output over power
09
Power off while output reaches setting Energy
11
Uninstallation of output cover
12
Uninstallation of contactor pin in D-sub connector
15
Error from internal communication
17
Error from the left fan
18
Error from the right fan
20
Input voltage is under operation range
21
Input voltage is over operation range
Error while output fails to reach setting parameter
23
within setting time
24
Power off while output reaches setting energy
Code Description
limit
Output is over setting parameters of setting
Description
19.
Mode
A
A
A
A
L
L
L
L
L
L
L
L
L
L
Mode
A
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