The reed switch inside the holder or the magnetic sensor inside the handle may fail, preventing the air from activating. C. Temperature Inaccuracy or Display Issues
Turn to lower the output temperature if the actual reading is higher than the display.
Ensure the station’s chassis is properly bonded to the mains ground pin to prevent ESD damage to components and electric shock to you.
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If you buy a generic 858D handle, repin according to this table. Gordak 952 Service Manual
An external thermocouple probe capable of reading up to 500°C for the hot air stream A small flat-head precision screwdriver Calibration Steps
If the air pump runs but there is no airflow, the diaphragm might be broken.
Check the rear fuse holder. Test continuity of the power cord and transformer primary windings. Burned-out hot air element or failed heating TRIAC.
: A vital "hidden" instruction in the manual is to remove the pump securing screw on the bottom of the machine before its first use; failure to do so can cause serious mechanical issues or excessive vibration . The reed switch inside the holder or the
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The Gordak 952 is a "2-in-1" station featuring both a hot air gun and a soldering iron. Hot Air Rework Station Soldering Iron 270W – 650W (model dependent) Temp. Range 100°C – 500°C 200°C – 480°C Air Pump Type Diaphragm (Membrane) Air Flow Rate Max 120 L/min (varies by sub-model) Output Voltage Heater Type Metal or Ceramic Core Ceramic Core (A1321) Common Troubleshooting & Repairs
: Sites like Elektrotanya allow users to upload and download relevant repair information.
Never turn off the main power switch while the hot air gun is hot. Let the station pump cool the element down to 100°C automatically. Ensure the station’s chassis is properly bonded to
Note: The service manual warns: Do not adjust VR3 or VR4 unless you have an oscilloscope – those are for zero-crossing detection.
The TRIAC control circuit for the 250W hot air gun heating element.
Ensure the bottom and rear vents of the metal chassis are free of dust, paper, or stray solder blobs to prevent the internal transformer from overheating.