Relay Option Kit
4. MAINTENANCE
4.1 Fuse Replacement
WARNING: ELECTRICAL SHOCK HAZARDS EXIST WITHIN THE
HOUSING. THE HOUSING SHOULD ONLY BE OPENED BY AUTHORIZED
AND QUALIFIED PERSONNEL. REMOVE ALL POWER CONNECTIONS TO
THE UNIT BEFORE OPENING. IF THE UNIT CONTAINS AN OPTIONAL
RELAY CONTROL BOARD, ADDITIONAL AC OR DC POWER
CONNECTIONS MAY STILL EXIST WITHIN THE HOUSING.
1. Open the housing and remove the terminal cover
2. Replace the burned fuse with a 2.5 A / 250 V type TR5 radial fuse.
3. Reinstall the terminal cover and reassemble the housing.
4.2 Service Information
For Service assistance in the United States, call toll-free 1-800-526-0659 between
8:00 AM and 5:00 PM Eastern Standard Time. An Ohaus Product Service Specialist
will be available to assist you. Outside the USA, please visit our website
www.ohaus.com to locate the Ohaus office nearest you.
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