Shihlin electric SE3 Series User Manual

Inspection item
INSPECTION AND MAINTENANCE272
6.1.3 Diodes and IGBT check
 Before checking, first remove the external wiring on main circuit terminals (R/L1、S/L2、T/L3、U/T1、V/T2、W/T3).
Then set the meter to ohm-testing position.
Positive probe
Negative probe
Normal result
Positive probe
Negative probe
Normal result
Terminal
mark
R/L1
+/P
Conductive
Terminal
mark
U/T1
+/P
Conductive
S/L2
+/P
Conductive
V/T2
+/P
Conductive
T/L3
+/P
Conductive
W/T3
+/P
Conductive
+/P
R/L1
Non-conductive
+/P
U/T1
Non-conductive
+/P
S/L2
Non-conductive
+/P
V/T2
Non-conductive
+/P
T/L3
Non-conductive
+/P
W/T3
Non-conductive
R/L1
-/N
Non-conductive
U/T1
-/N
Non-conductive
S/L2
-/N
Non-conductive
V/T2
-/N
Non-conductive
T/L3
-/N
Non-conductive
W/T3
-/N
Non-conductive
-/N
R/L1
Conductive
-/N
U/T1
Conductive
-/N
S/L2
Conductive
-/N
V/T2
Conductive
-/N
T/L3
Conductive
-/N
W/T3
Conductive
Note: The diagram above takes Frame C as an example.
6.1.4 Cleaning
 Always run the inverter in a clean status.
 Use a soft brush to remove dust and dirt on the fan blade, fan cover, and heat sink, keeping inverter in good heat
dissipation.
 Gently wipe dirty areas on the cover with a soft cloth and neutral detergent..
Note: 1. Do not use solvent, such as acetone, benzene, toluene and alcohol to wipe the cover, these will cause
inverter surface paint fall off .
2. Display on keypad (PU302) is vulnerable to detergent and alcohol. Therefore, avoid using them for cleaning.

Shihlin electric SE3 Series Specifications

General

Brand	Shihlin electric
Model	SE3 Series
Category	Inverter
Language	English