Power Led Does Not Light Up; Indicator Does Not Light When Battery Installed; Combo Charger; Installation - Psion Teklogix 7535 User Manual

7.5.5.3

Power LED Does Not Light Up

• Remove all batteries, and unplug the charger.
• Connect another device to the mains outlet to ensure there is power.
• Remove the IEC mains power cable from the charger, and check it for
damage.
• Reconnect the mains cable in the charger and mains outlet.
If the power LED still does not light up:
• Unplug the mains cable, and check the fuse at the rear of the charger.
If the fuse appears to be intact, the charger requires service.
7.5.5.4

Indicator Does Not Light When Battery Installed

• Remove the battery, and clean the contacts on the battery and the
charge slot.
• Reinstall the battery, and check that it is fully seated in the slot.
• Inspect the charge slot contacts for damage (are they bent, flattened, twisted
or broken).
• Try inserting a battery that you know to be working in the charger slot.
• Reconnect the mains power cable, and check that the slot indicator flashes
at powerup.

7.6 Combo Charger

The 7535 combo charger is a desktop charger designed to charge the 7535 internal
battery along with a spare battery pack. The combo charger provides sufficient
power to operate and fast charge the 7535 internal battery, while recharging the
spare battery pack.

7.6.1 Installation

Keep the combo charger away from excessive dirt, dust and contaminants. The
combo charger will not charge batteries outside an ambient temperature range of
0˚ C to 39˚ C (32˚ F to 102˚ F). It is recommended that this charger be operated at
room temperature – between 18˚ C and 25˚ C (64˚ F to 77˚ F) for maximum
performance.
Chapter 7: Peripheral Devices & Accessories

Power LED Does Not Light Up

Teklogix 7535 Hand-Held Computer User Manual
213