Lithium Battery Replacement; Rechargeable Nimh Battery Replacement - OHAUS CKW-55 Instruction Manual

CKW-55 CHECKWEIGHER

4.5.1 Lithium Battery Replacement:

Some symptoms of a low Real-Time Clock (RTC) battery condition include: A display of Err 10 at power-on, an incorrect time
or date printout, loss of library or accumulation data.
Battery replacement should only be done by qualified service personnel. To replace the lithium battery, the Indicator housing
needs to be opened. Before continuing, remove power from the scale and remove all external AC power connections to the
Indicator. If the Indicator contains a rechargeable battery system, be sure that the ON/ZERO Off button is used to turn off the
scale after removing the AC power plug.
The Real-Time Clock, (RTC) battery is a 3V lithium "coin" cell. The recommended battery type is CR2032. Refer to figure 4-1,
remove the old battery as shown by pressing down on the Retaining Clip and sliding the battery up and out of the holder.
+
CONTACT CLIP
To install a new battery into the holder, hold the battery with the "+" mark facing up. Slide the battery under the Contact Clip
until the Retaining Clip springs up and locks the battery in place.
CAUTION: : : : : Do not dispose of used batteries in normal trash. Follow the proper disposal or recycling
requirements in accordance with local laws and regulations.

4.5.2 Rechargeable NiMH Battery Replacement:

After a long service life, a reduction in battery operating time may be experienced. The end of the NiMH battery's useful life
may be indicated by a "Lo bat" display occurring very shortly after a complete charge cycle, or by a red flashing LED during
the charge sequence indicating a charging error.
The NiMH battery pack is a sealed package. Single cells are not replaceable. A battery replacement kit is available from your
dealer, (refer to section 6 Accessories and Options for part number information). Replacement instructions are included with
the battery kit.
CAUTION: : : : : Do not dispose of used batteries in normal trash. Follow the proper disposal or recycling
requirements in accordance with local laws and regulations.
CAUTION: ELECTRICAL SHOCK HAZARD. REMOVE ALL POWER CONNECTIONS TO
THE INDICATOR BEFORE SERVICING OR MAKING INTERNAL CONNECTIONS.
THE HOUSING SHOULD ONLY BE OPENED BY AUTHORIZED AND QUALIFIED PERSONNEL,
SUCH AS AN ELECTRICAL TECHNICIAN.
SLIDE BATTERY OUT
PUSH RETAINING
CLIP DOWN
Figure 4-1. RTC Battery Removal/Installation.
BATTERY
RETAINING CLIP
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