Primus D55, Руководство по обслуживанию, Страница: 15 / 82

70276001
13
Section 3 Troubleshooting
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the tumbler before servicing.
• Close gas shut-off valve to gas tumbler before servicing.
• Close steam valve to steam tumbler before servicing.
• Never start the tumbler with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the tumbler is properly grounded.
W002
WARNING
8. BURNER REPEATEDLY CYCLES OFF ON HIGH LIMIT THERMOSTAT
9. STEAM VALVE OR BURNER DOES NOT SHUT-OFF
POSSIBLE CAUSE TO CORRECT
External exhaust system is longer than
recommended or inadequate make-up air. • Refer to Installation Manual for exhaust and make-up air
requirements.
Clogged lint screen. • Remove screen and clean. Lint screen and compartment
should be cleaned after every eight hour shift.
Lint in internal tumbler ductwork. • Disassemble tumbler ductwork and clean.
Lint in external exhaust system. • Disassemble exhaust system and clean.
High limit thermostat cycling at too low a
temperature. • Replace thermostat.
Lint door panel not closed properly. • Remove lint door panel - place lint door panel back on
tumbler (ensuring a tight fit).
Improper fan rotation. • May be due to improper wiring resulting in low airflow.
Refer to Installation Manual.
POSSIBLE CAUSE TO CORRECT
Impurities on gas or steam valve seat, preventing
valve from closing. • Replace gas valve or disassemble and clean steam valve.
Inoperative drying timer or control relay. • Replace timer or control relay.
Incorrect wiring. • Refer to wiring diagram located on back of tumbler or in
literature packet.