Belshaw Bros., Inc.
•
www.belshaw.com
•
Phone 206-322-5474
•
Fax 206-322-5425
Thermolizer TZ6 & TZ17 TS
MN-1258EN
5
THE PROOF BOX WILL NOT HEAT UP
Possible Causes
What To Do
Control box power switch is not on.
Flip switch to on position.
Defective heat control.
Replace the heat control.
Loose wire or bad connection.
Repair the wire.
Defective heat element.
Replace the heat element.
Defective control box power switch.
Replace power switch.
LACK OF HUMIDITY OR UNEVEN HUMIDITY
Possible Causes
What To Do
Low water.
Refill water reservoir/Check water is on.
Defective humidity control.
Replace the humidity control.
Defective water heat element.
Replace the water heat element.
Restriction or sediment in the water line or
the water heat box inlet hole.
Clean out water line.
Loose wire or bad connection in humidity
circuit.
Repair loose wire or connection in
humidity circuit.
Blower is not running.
See “Blower Will Not Run” section
Doors out of alignment.
Align doors.
