BHO DZF-6050 - Vacuum Oven Troubleshooting Guide; Troubleshooting: Power Issues; Troubleshooting: PV Window Display Errors; Troubleshooting: Heating Failures

12
6. Troubleshooting.
Without Power
Without power supply
Broken power cord or Loose plug
Circuit breaker is off
Check power supply
Change power cord
Turn on circuit breaker
PV window is
displaying
Faulty pt100 thermocouple or loose
connection
Check connection or change
thermocouple
“-----”, “LLL.L” or “HHH.H”
Faulty temperature controller
If the thermocouple is OK and connection
is good, replace
the
temperature
controller.
Failure to heat unit
Setting times out
Modify the set time and restart the oven
Check and make sure all connection
Loose connection on temp controller
Faulty controller
Faulty heating element
Replace temperature controller
Replace heating elements
Reset all parameters to default
Check all connections
Parameter error
Temperature control Fail
Loose connection on pt-100 thermocouple
Faulty controller
Replace temperature controller
Adjust preset temperature
Preset temperature too low
Abnormal alarming
Faulty controller
Without Vacuum
Parameter error
Replace temperature controller
Vacuum the oven
for oven temperature
Large
temperature
Reset all parameters to default
difference
between
Sensor of thermometer has been placed at
incorrect place
Place the sensor on the oven self
PV value and actual
value