Tennant T600e, Service Information Manual

Page: 71 / 231

71 T600/T600e 9016605 (04-2018)
TROUBLESHOOTING
T600 BATTERIES FAIL TO CHARGE / REDUCED
RUN TIME (OFF BOARD CHARGER)
Step Action Value(s) Yes No
1 • Key ON
• Is there an LCD fault present on the Off Board Charger?
See OFF
BOARD BAT-
TERY CHAR-
GER FAULTS
in TROUBLE-
SHOOTING
section of this
manual Proceed to
STEP 2
2 • Key OFF
• Firmly press circuit breaker #1 to reset
• Is circuit breaker #1 tripped?
Reset and test
power-up circuit
operation Proceed to
STEP 3
3 • Key OFF
• Check AC power supply
• Is the rated AC supply voltage present?
Proceed to
STEP 4 Check AC
supply circuit
protection
4 • Key OFF
• Inspect battery and charger cables for damage / corrosion /
contamination / terminal problems
Repair or
replace battery /
battery charger
cables Proceed to
STEP 5
5 • Proceed to STEP 6 for machines equipped with sealed or
AGM batteries
• Key OFF
• Disconnect batteries
• Check water level in all battery cells
• Are the lead plates submerged?
Proceed to
STEP 6 Add distilled
water as
necessary until
lead plates are
covered
6 • Key OFF
• Use a hydrometer or refractometer to test specifi c gravity of
each cell (Lead-Acid)
• Are all battery cells within 0.050 (50 points) specifi c gravity
of each other?
Replace battery
charger Replace bat-
tery charger or
batteries
Terms:
AC = Alternating Current
AGM = Absorbed Glass Mat
Specifi c Gravity = Relative density of a substance
compared to water (1.000 specifi c gravity)