Thermo Scientific
10-1
10
Troubleshooting
Table 3. Furnace Troubleshooting.
Troubleshooting procedures involve working with high voltages
which can cause injury or death. Troubleshooting should only be
performed by trained personnel. This section is a guide to
troubleshooting controller and furnace problem.
Problem
Solution
Absence of current and presence of voltage on
element input terminal.
Heating element is cracked or open.
Replace broken element.
Heating element curls towards wall
1. Shut off immediately.
2. After the furnace cools, relocate the
element farther from wall.
Controller actual furnace temperature display
decreases when furnace is heating
Check thermocouple polarity. Red is always
negative (Refer to Section Troubleshoot-
ing).
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...