Amprobe BDM40-UA Bench-Digital-Multimeter - Manual (Page 24)

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Fuse Replacement
This DMM has two fuses. The main power fuse is 0.08A or 0.125A, 250V for line protection. The current
measurement fuse is 2A / 250V for below 2A current measurements (unscrew the mA – 2A input jack).
117 Line Fuse T 0.125A / 250V Bussmann GDB-125mA Littel Fuse 218.125
230V Line Fuse T 0.08A / 250V Bussmann GDB-80mA Littel Fuse 218.080
2A Current Input Fuse F 2A / 250V Bussmann GMA-2A Littel Fuse 216.002
Maintenance
If there appears to be a malfunction during the operation of the Multimeter, the following steps should be
performed in order to isolate the cause of the problem: Review the operating instructions for possible mistakes in
operating procedure. Inspect and test the Test Cables for a broken or intermittent connection. Inspect and test the
fuse. See Fuse Replacement.
Cleaning
WCAUTION
DO NOT USE AROMATIC HYDROCARBONS OR CHLORINATED SOLVENTS FOR
CLEANING. THESE SOLUTIONS WILL REACT WITH THE PLASTIC MATERIALS USED IN
THE INSTRUMENT.
Clean the front panel and case with a mild solution of detergent and water. Clean dust from the circuit board with
clean, dry, low pressure air (20 psi or less). Contaminants can be removed from the PCB using demineralized
water and a soft brush (remove the display assembly before washing the Main PCB and avoid getting excess
amounts of water on the switches). Dry with clean, dry, low pressure air and then bake at 50 to 60°C (122 to
140°F) for 24 hours.
Repair
All test tools returned for warranty or non-warranty repair or for calibration should be accompanied by the
following: your name, company’s name, address, telephone number, and proof of purchase. Additionally, please
include a brief description of the problem or the service requested and include the test leads with the meter. Non-
warranty repair or replacement charges should be remitted in the form of a check, a money order, credit card with
expiration date, or a purchase order made payable to Amprobe® Test Tools.
In-Warranty Repairs and Replacement – All Countries
Please read the warranty statement and check your battery before requesting repair. During the warranty period
any defective test tool can be returned to your Amprobe® Test Tools distributor for an exchange for the same or
like product. Please check the “Where to Buy” section on www.amprobe.com for a list of distributors near you.
Additionally, in the United States and Canada In-Warranty repair and replacement units can also be sent to a
Amprobe® Test Tools Service Center (see below for address).