6. TROUBLE SHOOTING
SYMPTOM CAUSE CORRECTION
Voltage does not
build up
Engine speed is too low Please refer to the Generator Manual
wires are not connected well Please refer to Figure 2
Defective Generator Please refer to the Generator Manual
Out voltage low
External VR broken Check wiring and testing VR
Terminal 1&2 not linked Please linked terminal 1&2
Terminal 3&2 no sensing input Please refer to Figure 2
Under frequency Please refer to the Generator Manual
Defective Generator Please refer to the Generator Manual
Out voltage high
AVR adjustment not well Please refer to voltage adjustment page
Defective Generator Please refer to the Generator Manual
※
Use only original supplied spare protection fuse for fuse replacement.
※
Please accept our sincere apology if any modification in performance, specification or appearance is
made without prior notice.
STAB
DROOP
TRIM
UFRO
LED
High Temperature
VOLT
C B A
C-A < 90KW
C-B 90-550KW
B-A > 550KW
Figure 1 Outline Drawing
UNITS : mm
ATTENTION
1. AVR can be mounted directly on the
engine, genset, switchgear, control
panel, or any position that will not
affects operation. For dimension
reference, please see Figure 1.
2. All voltage readings are to be taken
with an average-reading voltmeter
Meggers and high-potential test
equipment must not be used. Use of
such equipment could damage the
AVR.
Figure 2 Bypass Drawing
Figure 3 Wiring Drawing
______________________________________________________________________________________
4
SX440
SX440
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