Fronius Trans Pocket 1500 Service Instructions Manual page 159

Checking the
Transistor
module
(continued)
Fig.12
Fig.13
Note! The following pictures show measurements being made in the
conducting direction of the diode path.
(1)
0.2 - 0.7 V
First diode path: "Intermediate-circuit potential - primary-side transformer cable"
(2)
0.2 - 0.7 V
First diode path: "GND potential - primary-side transformer cable"
45