Instruction manual

Section 8
Troubleshooting
Always confirm that the line voltage is correct for the D GENE system.
8.1 Equipment
Problem Cause Solution
Controller
No display on power up Burnt fuse Replace fuse
Faulty main switch Replace main switch
Broken wire Replace wire
Controller malfunction Replace controller
Buffer Circulation
No buffer circulation Buffer level too low Add buffer up to fill level
Pump failure Replace pump
Faulty pump switch Replace pump switch
Clogged tubing or fitting Replace tubing or fitting
Broken inlet tube Confirm that the inlet tube
extends about 4.5” from cover
Buffer Heating
Can not preheat buffer Buffer level too low Add buffer to ‘Fill’ level
Level switch malfunction Replace level switch
Cartridge heater burnt Replace cartridge heater
Thermal fuse burnt Replace thermal fuse
Solid state relay damaged Replace solid state relay
Wrong controller setting Set controller parameter
according to controller
instruction
Controller malfunction Replace controller
Loose wiring Repair wiring
Warm-up time too long Buffer level too low Add buffer to ‘Fill ‘ level
Cartridge heater burnt Replace cartridge heater
Solid state relay damaged Replace solid state relay
Wrong controller setting Set controller parameter
according to controller
instruction
Loading lid not on system Place Loading lid on system
Non-uniform Temperature
Stir bar not rotating Damaged motor Replace motor
Loose set screws at stir bar Tighten set screws
Stir bar interferes with Maximum thickness of
gel sandwiches gel is 1.5 mm
Bent stir bar Replace stir bar
Buffer level too low Fill to recommended level
Broken belt Replace belt
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