
4.2. AC/DC INDICATION
4.2.1. A red background and ‘+’ sign indicates positive polarity.
4.2.2. Agreenbackgroundand‘-’signindicatesnegativepolarity.“-“signandgreencolorbackgroundindicatesnegativepolarity.
4.2.3. Ifno“+”or“-“signshowsontheLCD,andthebackgroundlightisredcolor,youareconnectingwithanACvoltagesource.Please
stop the measurement.
4.3. OVER-VOLTAGE WARNING
4.3.1. Onlyusethetesterwithinthespeciedvoltagerange. Exceeding this range may damage the tester and/or cause harm.
WARNING! Please stop the measurement if any of the following warnings appear on the LCD:
4.3.2. 70~100V,“OL0”willshowontheLCD
4.3.3. 100~200V,“OL1”willshowontheLCD
4.3.4. 200~300V,“OL2”willshowontheLCD
4.3.5. >300V,“OL3”willshowontheLCD
4.3.6. Voltage greater than 400V may damage the tester, please make sure the tester is not damaged before next measurement.
5. MAINTENANCE
5.1. REPLACING THE BATTERY (FIG.3)
5.1.1. Rotate the tail cover and pull out the PCB to replace the battery.
5.1.2. Insert the new battery into the battery slot, with the positive side facing outward.
5.1.3. If“Lo”andredcolorbackgroundlightappearsonLCD,itindicateslowbatterypower.Pleasereplacethebattery.
5.1.4. IfthevalueontheLCDisashing,itindicateslowbatterypower.Pleasereplacethebattery.
5.1.5. If nothing appears on LCD and the background light doesn’t light up, it indicates no battery power or the battery polarity is reversely
installed. Please check the battery polarity or replace the battery.
5.2. REPAIRS
NOTE: Repairsorservicingshouldonlybeperformedbyqualiedpersonnel.
5.3. CLEANING
5.3.1. Remove grease and grime with a clean, dry cloth.
5.3.2. Do not use abrasives or solvents. Do not use alcohol, ammonia or cleaners containing solvents..
Original Language Version
© Jack Sealey Limited
Sealey Group, Kempson Way, Suffolk Business Park, Bury St Edmunds, Suffolk. IP32 7AR
01284 757500 sales@sealey.co.uk www.sealey.co.uk
ENVIRONMENT PROTECTION
Recycle unwanted materials instead of disposing of them as waste. All tools, accessories and packaging should be sorted, taken to
a recycling centre and disposed of in a manner which is compatible with the environment. When the product becomes completely
unserviceable and requires disposal, drain any fluids (if applicable) into approved containers and dispose of the product and fluids
according to local regulations.
WEEE REGULATIONS
Dispose of this product at the end of its working life in compliance with the EU Directive on Waste Electrical and Electronic Equipment
(WEEE). When the product is no longer required, it must be disposed of in an environmentally protective way. Contact your local solid
waste authority for recycling information.
BATTERY REMOVAL
Under the Waste Batteries and Accumulators Regulations 2009, Jack Sealey Ltd are required to inform potential purchasers of products
containing batteries (as defined within these regulations), that they are registered with Valpak’s registered compliance scheme. Jack
Sealey Ltd Batteries Producer Registration Number (BPRN) is BPRN00705.
Note: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component parts
without prior notice.
Important: No Liability is accepted for incorrect use of this product.
Warranty:Guaranteeis12monthsfrompurchasedate,proofofwhichisrequiredforanyclaim.
AK4013 Issue 2 (2,3,4) 28/04/23
Fig.3