Fronius TransPocket 1500 Service Manual page 43

Cycle test
(continued)
140 A
10 A
Fig.10
- Condition 1: After several seconds, the fan switches on, and the heat-sink warms
up to 43 °C
- Condition 2: Approx. three and a half minutes after being switched on, the power
source switches off once the heat-sink has heated up to 93 °C
-
-
- Condition 5: After approx. six and a half minutes, the power source automatically
switches back on once the heat-sink has cooled down to 60 °C
-
- Set the welding-current dial to Minimum
- After a few more minutes, the fan cuts out once the heat-sink has cooled to a
temperature of 41 °C
3.5 min
Cycle test - test procedure
Condition 3: The fan must continue to run
Condition 4: The "Fault" indicator lights up
Condition 6: The "Fault" indicator goes out
6.5 min
43
t