Hypertherm Powermax 85 Service Manual

TroubleshooTing and sysTem TesTs
powermax 65/85 Service Manual 5-45
For operational fault codes 0-40-2 and 0-40-3 or power board faults 2-10-0 and 2-10-1
1. Remove the inverter temperature sensor connector from the top-rear of the power board (J2 on CSA units or J4 on
CE units).
2. Measure the resistance between pins 1 and 3 on the plug.
3. If the resistance is not within ±15% of 10kΩ replace the temperature sensor.
4. If the value is correct, remove the DSP board and measure the resistance between pins 1 and 3 on the power board
with the temperature sensor disconnected. The resistance should be approximately 57.6kΩ.
5. If the value is correct, replace the DSP board.
6. If the value is incorrect, replace the power board.
Inverter temperature
sensorconnector

Hypertherm Powermax 85 Specifications

General

Brand	Hypertherm
Model	Powermax 85
Category	Welding System
Language	English