Magnetek 144-45117-R3 User Manual
Page 19
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Regenerative
Power
Module
-
September
2010
144-45117-R3
Page 19 of 20
Troubleshooting
Taking the following measurements can check the transistor and diode.
Q1 POSITIVE
PROBE
NEGATIVE
PROBE
READING
DP R2 L1 0.312
DN L2 R2 0.312
QP L1 R2 >
0.6
QN R2 L2 >
0.6
TRANSISTOR AND DIODE CHECK USING D.M.M. SET ON DIODE SCALE
FIGURE 10
If the Green POWER indicator light on the front cover is out make the following checks.
1. Check for the supply voltage between L1+ and L2-
2. If the supply voltage is present replace the entire RPM unit.
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