1-360008/G
22
- Verify power cord is plugged in unit
- Faulty power cord - Verify proper cord connections
- Change power cord
- Faulty power switch - Replace switch on circuit board
Chamber Temperature
Chamber bath getting too
cold or getting too warm
- Controller not calibrated -Verify calibration with thermometer.
Refer to “Calibration of Temperature
Controller
- Faulty controller -Verify controller is giving DC power
output to heater circuit
- Replace controller as needed
- Faulty heater - Verify voltage to heater
- Replace heater as needed
- Faulty circuit board - Verify voltage to heater
- Replace circuit board as needed
- Faulty RTD sensor - Verify sensor is adhered to chamber
- Verify connections to the controller
- Replace as needed
Chamber temperature
not calibrated to
controller
- Calibrate Controller
- Refer to "Calibration of the
Temperature Controller"
Temperature Controller and High Alarm Systems
Controller does not turn
on
- Faulty connections - Verify connections from circuit
board to controller
- Faulty controller - Verify voltage to controller Change
controller
Controller not calibrated
- Calibrate controller - Refer to "Calibration of Temperature
Controller”
To Next Page
