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Grasslin GM40AV series Installation And Operating Instructions page 4

General purpose electromechanical commercial time switches

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GM40AV SERIES TROUBLESHOOTING GUIDE
WARNING
Some terminals in the Time Switch may be energized even if the yellow and green LED
indicators are OFF.
Check all terminals and wires with an appropriate voltage checker before touching.
PROBLEM: LOAD (Lights/Pumps/Motors, etc) will NOT turn ON or OFF
1.
Verify that all wiring connections are correct. (Refer to wiring diagrams on page 3)
2.
Check the YELLOW Power LED. If ON, it indicates that power is applied to the GM40AV.
3.
Slide the Manual Override Switch to the upper [ON] position. If wired for use, the loads con-
nected to terminals (NO) or (NO2) should turn ON.
NOTE: Check for correct voltage at terminals (NO) and/or (NO2).
4.
Slide the Manual Override Switch to the lower [OFF] position. If wired for use, the loads con-
nected to terminals (NO) or (NO2) should turn OFF.
NOTE: Check that there is no voltage detected at terminals (NO) and/or (NO2).
5.
Verify that the trippers are correctly positioned for the desired ON and OFF times. Slide the
Manual Override Switch to the middle position for automatic time switching.
LIMITED ONE YEAR WARRANTY
f within the warranty period specified, this product fails due to a defect in material or workmanship, Intermatic
I
Incorporated will repair or replace it, at its sole option, free of charge. This warranty is extended to the original
purchaser only and is not transferable. This warranty does not apply to: (a) damage to units caused by accident,
dropping or abuse in handling, acts of God or any negligent use; (b) units which have been subject to unauthorized
repair, opened, taken apart or otherwise modified; (c) units not used in accordance with instructions; (d) damages
exceeding the cost of the product; (e) sealed lamps and/or lamp bulbs, LED's and batteries; (f) the finish on any
portion of the product, such as surface and/or weathering, as this is considered normal wear and tear; (g) transit
damage, initial installation costs, removal costs, or reinstallation costs.
INTERMATIC INCORPORATED WILL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES.
SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL
DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU. THIS WARRANTY IS IN
LIEU OF ALL OTHER EXPRESS OR IMPLIED WARRANTIES. ALL IMPLIED WARRANTIES, INCLUDING THE
WARRANTY OF MERCHANTABILITY AND THE WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE,
ARE HEREBY MODIFIED TO EXIST ONLY AS CONTAINED IN THIS LIMITED WARRANTY, AND SHALL BE OF
THE SAME DURATION AS THE WARRANTY PERIOD STATED ABOVE. SOME STATES DO NOT ALLOW
LIMITATIONS ON THE DURATION OF AN IMPLIED WARRANTY, SO THE ABOVE LIMITATION MAY NOT
APPLY TO YOU.
This warranty service is available by either (a) returning the product to the dealer from whom the unit was pur-
chased, or (b) completing a warranty claim on line at www.intermatic.com. This warranty is made by: Intermatic
Incorporated Customer Service/7777 Winn Rd., Spring Grove, Illinois 60081-9698 / 815-675-7000
http://www.intermatic.com
4

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