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GENERAL
#1
INFORMATION
Test date
Commiss. date
Site / Operator
Operating hours
VISUAL / MULTI-METER
#2
CHECKS
#
Component
A Varistor / Capacitors
B
Fuse
#3
DETECTED PROBLEMS
Mechanical damages / Missing parts
No self-excitation (only residual voltage on the output)
Over-excitation (high output voltage, not adjustable)
Oscillating voltage at no load (ΔV > 2V)
Oscillating voltage at full load (ΔV > 2V)
Voltage rises / drops from no load to full load (ΔV > 4V)
Trimmer not working (specify the trimmer name)
Red LED lighting at nominal speed
Yellow LED lighting within the rated load
ADDITIONAL
#4
INFORMATION
Send this document to the following contact references:
1
Services Mng
Alternatively
AVR FAILURE REPORT
M31FA600A
Fill in the following information box, specifying the serial numbers of the alternator and the AVR.
The serial no. and the part no. of the AVR are indicated on the label affixed on the regulator plastic case.
User is required to perform a visual inspection of the AVR and all the electrical checks
described in the following pages. Each check with positive result must be flagged. In case
of negative result, leave blank.
#
ok
C
D
Select one or more options among the possible failure modes listed below.
Please add additional information regarding the fault identified, where possible.
PROBLEM DESCRIPTION
Fuse blown
Please enter here a description of the application and/or any additional information helping to define the
operating conditions under which the failure occurred.
Please attach photos of the alternator, regulator and/or any damaged parts to this form.
st
Contact
Vasu Kumaran
Marco Sartori
Alternator type
Alternator S/N
AVR code
AVR S/N
Component
ok
Trimmers / Dips
Box / terminals
#
1
2
3
4
5
6
7
8
9
10
vkumaran@marellimotori.com
masartori@marellimotori.com
R&D.DT.303
Rev.
3
PAGE 1 / 1
Date
04/09/2018
#
Component
E
Free-wheel diode
F
IGBT
NOTES
ok
1.
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