Troubleshooting
Thermo Scientific
10-3
Problem
Solution
Indicator Lights
Red light is on.
Amber light is on.
Furnace does not heat.
1. Check the controller output Power (OP) display.
2. Check the controller configuration.
3. Check the heating elements for continuity. Replace any
broken heating elements.
4. Check the fuses for continuity. Replace any detactive
or blown fuses.
5. Check the transformer for voltage on the primary and
secondary side. If there is no voltage at the secondary
side and there is voltage on the primary side. replace
the detective transformer.
CAUTION: Failure to isolate the condition which resulted
in the failed fuse or circuit breaker could result in damage
to any electric components.
Red light is all.
Amber light is on.
1. Check that the control circuit breaker is on.
2. Check that the red light is working. Replace the light If
necessary.
3. Check that the door interlock switch has a closed circuit
when the door is closed. Adjust or replace the switch if
necessary.
4. Check that the Alarm Setpoint on the controllar is set
above the operating temperature.
Amber light is all.
The fans are not working.
1. Check the fan circuit breakers. Replace if necessary.
2. Check that the main disconnect switch is on.
3. Visually check all wire connections.
4. Check that the light is working. Replace the light if
necessery.
5.
Check that the fans are working. Replace is necessary
.
Amber light is on.
The fans is not working.
1. Check the fan(s) wire connections visually.
2. Check that the fanes) Is receiving power.
3. If wire connections are secure and the fan(s) is
receiving power. replace the fan(s).
Amber light is off.
The fans are working.
1. Check that the light is working. Replace if necessary.
2. Check the light wire connections.
Summary of Contents for BF51634BC-1
Page 1: ......
Page 6: ...List of Figures ii Thermo Scientific...
Page 20: ...Safety Notes Standards and Directives 1 14 Thermo Scientific...
Page 48: ...Communication Option Auto Tuning the Controller 7 10 Thermo Scientific...
Page 64: ...Troubleshooting 10 4 Thermo Scientific...
Page 65: ......
Page 66: ......
Page 69: ...Thermo Scientific 12 1 12 Error Codes This chapter is not applicable...
Page 70: ...Error Codes 12 2 Thermo Scientific...
Page 72: ...WEEE Compliance 13 2 Thermo Scientific...
Page 73: ...Thermo Scientific 14 1 14 14 Spare Parts and Accessories This chapter is not applicable...
Page 74: ...Spare Parts and Accessories 14 2 Thermo Scientific...