Trane SENS-IN-1D18-HD60D29-4, Руководство по установке

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18
Troubleshooting
Problem Solution
Display does not come on.
Check the 24 VAC power supply at terminals 11 and 14 at the Zone Sensor.
Verify that the terminal block is properly positioned on its pins.
No communications to the UCP.
Check for 22 to 42 VDC between terminals 11 and 12 at the Zone Sensor.
Check wiring if no voltage is present.
Dispalyed Zone Temperature reads
Sh and the COOL FAIL icon is
continuiously illuminated.
1. Verify that Option 11 in the Options Menu is set correctly. If correct, check
the wiring from the remote sensor at terminals S1 and S2 for a shcrted
condition.
2. If Option 11 in the Options Menu is set to 0, then the local thermistor is
selected and the on-board thermistor is shorted and the ZSM must be replaced.
Dispalyed Zone Temperature reads
oP and the COOL FAIL icon is
continuiously illuminated.
1. Verify that Option 11 in the Options Menu is set correctly. If correct, check
the wiring from the remote sensor at terminals S1 and S2 for a open circuit
condition.
2. If Option 11 in the Options Menu is set to 0, then the local thermistor is
selected and the on-board thermistor is open and rhe ZSM must be replaced.
Zone Temperature is not displayed. Verify that number 1 has been selected for option 13 in the Options Menu.
ZSM keypad does not respond to
selection Verify that the Keypad is not in the Lockout Mode. Press and hold the TIME ("+")
and ("-") Key for 4 seconds to unlock the keypad.
The Clock requires reprogramming
after short power interruptions.
Replace Battery.
FAN Mode is set in the ON position
but the Fan is not running. Check option 6 in the Options Menu. Refer to the Options Menu section for
option description.
System is operating before the
programmed start time. Check option 7 in the Options Menu. Computed recovery option overrides the
last part of an unoccupied period to obtain the occupied setting in time.
Buzzer indicates System Failure or
Service is required. Press the ERASE Key to reset the filter lapse timer. Buzzer will be reset until
noon of the next day if a System Failure has not been corrected.
Note: To reset the program and initiate a Self Diagnostic Test; press the PROGRAM KEY, HOLD TEMP KEY, and DAY KEY
simultaniously.