Specifications

32 Beurer GL40 mg/dL
8 Troubleshooting
Messages on the display for batteries and blood glucose measurement
No. Cause Action
LP Flat batteries Replace all batteries.
Ht Temperature of the measure-
ment room, measuring device
or test strip above the allow-
able limit.
Repeat test with new test strip as soon as the
measurement room, measuring device and
test strip have reached room temperature
(+20°C to +25°C).
Lt Temperature of the measure-
ment room, measuring device
or test strip below the allow-
able limit.
Repeat test with new test strip as soon as the
measurement room, measuring device and
test strip have reached room temperature
(+20°C to +25°C).
Err Used or contaminated
test strip was inserted.
• Insert test strip which has not been used
or spoiled.
• Repeat blood glucose measurement.
001 System error
• Remove the batteries and reinsert them.
Contact our customer service department
if the problem persists.
005 Memory error
• Remove the batteries and reinsert them.
Contact our customer service department
if the problem persists.