Yale B827 User Manual

3. Is the Power On LED illuminated continuously
when the charger is connected to a 120 volt AC
power source?
a. YES: Proceed to Step 4.
b. NO: Replace the charger.
4. Is the Detection LED illuminated continuously
when the charger is connected to a 120 volt AC
power source?
a. YES: Battery is not connected to charger or
battery voltage is less than 2V. Check connec-
tions. If connections are clean and tight, trou-
bleshoot the battery pack. See Battery Pack
Troubleshooting.
b. NO: Proceed to Step 5.
5. Is the Charging LED either flashing or illuminated
continuously when the charger is connected to a
120 volt AC power source?
a. YES: Proceed to Step 6.
b. NO: If no other LEDs are flashing, replace
charger.
6. Check the output of the charger using a digital
voltmeter:
a. Connect the voltmeter to the charger's positive
(Red) and negative (Black) connections at the
battery terminals. Record the voltage and then
monitor it for approximately 3 minutes. Did the
voltage INCREASE while monitoring?
(1) YES: The charger is functioning correctly.
Proceed to Step 7.
(2) NO: Replace the charger.
7. Was the voltage reading in Step 6 higher than
16VDC?
a. YES: Proceed to Battery Pack Troubleshoot-
ing.
b. NO: It is recommended that all batteries in the
battery pack be replaced.
Error Modes
The three red LEDs are used to troubleshoot the
charger. Observe the operation of the Power On, Ab-
normal Shutdown, and the Detection Error LEDs to
determine the cause for the error notification. See Ta-
ble 9.
Table 9. LED Error Codes
CONDITION LED 1 LED 2 LED 3 LED 4 LED 5
Battery Voltage High Off Off Off Off Flash
Battery Pack Unbalanced Off Off Flash Off Off
Excessive Charging Time Off Off Flash Flash Flash
Battery Testing - 1 Off Flash Off Off Flash
Battery Testing - 2 Off Flash Off Flash Off
Inhibit Control Defective Off Flash Off Flash Flash
Internal Over Temperature Off Flash Flash Off Flash
Mode Selected Not Valid Flash Off Off Flash Off
Database Save Error Flash Off Off Flash Flash
Discharge Error Flash Flash Off Off Off
Severe Discharge Error Flash Flash Flash Off Off
Battery Storage Error Flash Off Flash Off Flash
Critical Battery Error On On Off Off Off
2200 YRM 1007
Battery Charger (Accusense
®
20A)
51

Yale B827 Specifications

General

Brand	Yale
Model	B827
Category	Lifting Systems
Language	English