Gordak 952 Service Manual File

: Always connect the soldering iron handle before turning on the power to avoid electric shock. Cooling Cycle

| Pin | Hot Air Handpiece | Soldering Iron Handpiece | |-----|------------------------|--------------------------| | 1 | Heater (AC Live) | Heater (AC Live) | | 2 | Heater (AC Neutral) | Heater (AC Neutral) | | 3 | Thermocouple (+) | Thermistor (Signal) | | 4 | Thermocouple (-) | Thermistor (Ground) | | 5 | Motor (24V DC +) | Not used (or reed switch)| Gordak 952 Service Manual

: A common design quirk in the Gordak 952 is that the transformer remains active even when the front switches are off. Technicians often modify the unit by adding a dedicated primary power switch to fully disconnect it from the mains when not in use. Troubleshooting Failure to Start : Check the 5V supply to the microcontroller. Verify the +/- supplies on the operational amplifiers. : Always connect the soldering iron handle before

The service manual schematic shows the path: Live -> Fuse -> Relay -> Heater -> TRIAC -> Neutral. Troubleshooting Failure to Start : Check the 5V

Using your service manual’s bill of materials (BOM), order from these suppliers:

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