Troubleshooting Guide - Airstream TC5-ITA User Manual

TROUBLESHOOTING GUIDE

PROBLEM
THERE IS NO
DISPLAY.
THE ROOM
TEMPERATURE
DISPLAYED BY
THE TC5-ITA
SHOWS SUDDEN
VARIATIONS.
THE TC5-ITA
ALARM PILOT
LIGHT IS ON BUT
THE ALARM IS
NOT ACTIVATED.
SOLUTION
THE CIRCUIT BREAKER AT THE SERVICE PANEL IS OFF OR
TRIPPED.
THE WIRING IS INCORRECT.
THE F10 INPUT FUSE IS OPEN.
THE VOLTAGE SELECTOR SWITCH IS IN THE WRONG
POSITION.
THE DISPLAY BOARD INTERCONNECT CABLE IS UN-
PLUGGED FROM THE POWER SUPPLY BOARD.
A VARIATION IN RESISTANCE IS INDUCED ON THE
SENSOR CONNECTED TO THE TC5-ITA
- BE SURE THE SENSOR IS DRY AND MOVE IT AWAY
FROM DRAFTS AND FROM ANY SOURCE OF RADIANT
HEATING.
THERE IS ELECTRICAL NOISE NEAR THE CABLE OF THE
SENSOR CONNECTED TO THE TC5-ITA.
- DO NOT RUN THE SENSOR CABLE NEXT TO OTHER
POWER CABLES. WHEN CROSSING OTHER POWER
CABLES, CROSS AT 90°.
THE F9 ALARM FUSE IS OPEN.
THE DISPLAY BOARD INTERCONNECT CABLE IS UN-
PLUGGED FROM THE POWER SUPPLY BOARD.
THE WIRING IS INCORRECT.
THE TC5-ITA ALARM IS DEFECTIVE.
THE TC5-ITA IS DEFECTIVE.
- LISTEN TO SEE IF THERE IS A CLICKING SOUND WHEN
THE ALARM PILOT LIGHT TURNS ON. IF THERE IS NO
CLICKING SOUND, THE TC5-ITA IS DEFECTIVE. CONTACT
YOUR DISTRIBUTOR TO REPAIR THE CONTROLLER.
TC5-ITA rev.02
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