OHAUS CKW-55 Instruction Manual

Also see for CKW Series: Quick start guide Installation and operation instructions

Contents

OHAUS CKW-55 Instruction Manual Manual pdf 51 page image

CKW-55 CHECKWEIGHER EN-474.5.1 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 timeor 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 housingneeds to be opened. Before continuing, remove power from the scale and remove all external AC power connections to theIndicator. If the Indicator contains a rechargeable battery system, be sure that the ON/ZEROOff button is used to turn off thescale 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.To install a new battery into the holder, hold the battery with the “+” mark facing up. Slide the battery under the Contact Clipuntil 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 recyclingrequirements in accordance with local laws and regulations.BATTERYRETAINING CLIPPUSH RETAININGCLIP DOWNSLIDE BATTERY OUT+ CONTACT CLIPFigure 4-1. RTC Battery Removal/Installation.CAUTION: ELECTRICAL SHOCK HAZARD. REMOVE ALL POWER CONNECTIONS TOTHE INDICATOR BEFORE SERVICING OR MAKING INTERNAL CONNECTIONS.THE HOUSING SHOULD ONLY BE OPENED BY AUTHORIZED AND QUALIFIED PERSONNEL,SUCH AS AN ELECTRICAL TECHNICIAN.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 lifemay be indicated by a “Lo bat” display occurring very shortly after a complete charge cycle, or by a red flashing LED duringthe 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 yourdealer, (refer to section 6 Accessories and Options for part number information). Replacement instructions are included withthe battery kit.CAUTION::::: Do not dispose of used batteries in normal trash. Follow the proper disposal or recyclingrequirements in accordance with local laws and regulations.