FAQ# DRV-5P4L36 Published: 07/18/2007

Question:OH1 -- Fault Code Description
Answer:Digital Operator Display Text: OH1 Heatsnk MAX Temp
Description: Cooling Fin/Cooling Fin Fan Overheat The temperature of the Drive cooling fin exceeded the temperature programmed in parameter L8-02 - - - Drive Internal Cooling Fan
Causes: Cooling fan(s) are not working, high ambient temperature, a heat source is too close to the Drive.
Corrective Actions: Check for dirt build-up on the fans and cooling fins - - - Reduce the ambient temperature around the Drive.

There is other related information on this FAQ, see "Link to related files" below.

Product Information:

Product Group:Inverters/Drives
Product:E7 Drive, E7B Drive Bypass, E7C Drive Configured, E7E Drive Engineered, E7L Drive Bypass, E7N Narrow Bypass Package, E7S Slim Configured Package, F7 Drive, P7 Drive
Applications:
Category:Fault Code Description

Other Information:

Link to related files:Resetting a Fault ->Database 'FAQ Drives (New)', View 'My Documents', Document 'Frequently asked Questions: DRV-5P8PGJ'

E7 Drive User Manual
F7 Drive User Manual
P7 Drive User Manual

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