THERMODYNE 1600NDNL, Международное руководство по обслуживанию

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TROUBLESHOOTING
Problem Probable Cause Suggested Solution
No Power Main Power Switch Off
Unit not plugged in
Circuit Breaker off or tripped
Contactor Failure
Place Power Switch in ON position.
Ensure unit is plugged into a live receptacle.
Check and reset the Circuit Breaker.
Replace the Contactor.
On/Off switch
illuminated but
controller will not
illuminate
Heater Tank fluid level low
Fluid Level Probe defective
Remove unit from power source and fill Heater Tank to Pressure
Cap neck with fresh Heat Transfer Fluid.
Determine which Fluid Level Probe is defective and replace it.
Unit continuously shuts
down and requires fluid
replenishment
– Or –
Add Fluid light
illuminates every
couple of days
Fluid leak Remove the unit from power and remove the Power Head Lid
and Side Covers. Restore power and place the ON/OFF switch in
its ON position. Observe the unit for leaks. Repair leak and top of
fluid levels.
Add Fluid light is
illuminated but unit is
operating normally
Reservoir Tank low on fluid Top off Reservoir with fresh Heat Transfer Fluid.
Unit not reaching
desired temperature
Controller not set to 189°F.
Defective Controller
Refer to Temperature Controller Set Up Procedures and set
temperature to 189°F.
Refer to Temperature Controller replacement procedure and
replace controller.
OUT light illuminated
but unit not heating up
Defective Solid State Relay
Defective or tripped Snap
Disc
Refer to Solid State Relay replacement procedure and replace
relay.
Note: If relay LED is illuminated check Snap Disc.
Reset Snap Disc. If unit fails to warm up, replace Snap Disc.
Some shelves heat
while others remain
cold
Shelf or Delivery/Return
Hose is plugged.
Replace defective shelf or defective hose.
Note: Delivery and Return hoses are different lengths.
Extreme Electrical
Load, clicking noise or
controller turning on
and off
Fluid Level in Heater Tank
low
Faulty Contactor
Remove unit from power and top off Heater Tank with fresh Heat
Transfer Fluid.
Replace the Contactor.
Loud Squealing Noise Defective Pressure Cap or
Pressure Cap Gasket
Defective Pump
Replace the 16 PSI Pressure Cap.
Replace the defective pump referring to the pump replacement
procedures.
Controller reads SBER
on top screen
Defective Thermocouple Refer to Thermocouple replacement procedure and replace the
Thermocouple.