Service Manual

SECTION 6 - TROUBLESHOOTING
6-18 – JLG Lift – 3121228
Code 01 - Low Battery Voltage
Check For These Obvious Conditions First:
• Battery cable ends loose or corroded at battery posts.
• Charger DC output wires from charger to batteries damaged or disconnected.
Code 02 - RESERVED
Code 03 - RESERVED
Table 6-6. Code 01 - Low Battery Voltage
STEP ACTION SPEC YES NO
1. Does battery charger power up through diagnostic cycle when plugged in to
an AC outlet?
— Go To Step 2 See Battery/Battery Char-
ger Servicing -
Section 3 of this Manual
2. Is the Abnormal (RED) LED lit when charger is in charge mode?
— Go to Step 3 Charge Batteries Until
100% (Green) LED is lit.
Go to Step 4
3. Test Batteries. See Battery Condition in Section 3 of this Service Manual.
— See Battery/Battery Char-
ger Servicing -
Section 3 of this Manual
Replace Battery
4. Check Battery Condition. See Battery Condition in Section 3 of this Service
Manual. Do the batteries pass condition tests?
— — Replace Batteries
as Necessary