Question about Intermatic Inc. ST01C Digital In-Wall Timer
1) Use manual override to see if ST01C timer is functioning:
Push door that covers buttons -or- open door and push ON/OFF button ... timer should make audible clicking sound >> and lights will turn On and Off.
Look on LED screen ... left side of screen is small light-bulb icon ... when lights are ON, icon is black ... when Off, icon is outline
2) Review troubleshooting steps in Manual
a) You might be in Random MODE ... Press MODE button until AUTO appears (AUTO mode lets programs to run)
b) Battery can be too low to operate timer, even if BATT warning does not show on screen >> Change SR2 battery and re-set Time-Date (Time-Date disappears if battery is dead, but programming remains in timer forever until timer is reset)
c) Timer will skip conflicting programming ... For example ST01C has 40 programs ... if Program1 says ON at 7 and Off at 8 ... and Program2 says opposite .. timer will skip these programs
d) Timer will not work on circuit where load (lights, fan. motor) is farther than 100' from timer
e) Timer might not work with underground wiring
f) Circuit breaker clicked off > reset breaker
g) Timer may be carrying too much load: 960 Watts flourscent; 1440 Watts incandescent
h) Timer has 1 year limited warranty > things wear out
i) Circuit has loose wire >> check your connections > review wiring diagrams
j) Timer connected to three-way switch, and other switch has malfunctioned
k) Last resort: Reset timer and reprogram
Posted on Oct 02, 2010
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Posted on Jan 02, 2017
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