19.
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)
Table 4.1 Definition and description of MCU protection
Alarm Condition
Code
Description
Mode
HW Fault M1
M1F Hardware error from the left module
A
SW OVP
OV
Output over voltage
A
SW OCP
OC
Output over current
A
SW OPP
OP
Output over power
A
Target Life Monitor
09
Power off while output reaches setting Energy
L
Output Interlock
11
Uninstallation of output cover
L
Contactor Interlock
12
Uninstallation of contactor pin in D-sub connector
L
Communication Loss
15
Error from internal communication
L
Fan1 Error
17
Error from the left fan
L
Fan2 Error
18
Error from the right fan
L
Bus UVP
20
Input voltage is under operation range
L
Bus OVP
21
Input voltage is over operation range
L
Set Point Monitor
23
Error while output fails to reach setting parameter
within setting time
L
Energy Mode Monitor
24
Power off while output reaches setting energy
L
Warning Condition
Code
Description
Mode
Output Limit
limit
Output is over setting parameters of setting
A
