16
English
Table 5: Charging an IMPRES 2 or IMPRES Battery - Calibration 
Required, but not Enabled.
Status Charger Display LED Indicator
Charger Powers On
IMPRES 2
CHARGER
Green for approximately 
1 second
Battery Detected
IMPRES 2
BATTERY
or
IMPRES 
BATTERY
Battery requires Calibration, but 
Calibration is disabled in charger:
Alternating Amber / 
Green for 4 seconds
Requesting IMPRES 
Battery Calibration
• Calibration is disabled in 
charger.
• Charging Battery until 
OK or time-out.
WARNING:
ENABLE BATTERY
CALIBRATION?
• Press OK to enable 
Calibration.
• Ignore for normal 
charging (message 
removed after 1 
minute).
Steady Red
Rapid Charging
• Request for Calibration 
time-out.
RAPID CHARGE
Steady Red
Charged to 90% or more
TRICKLE CHARGE
Flashing Green
Charged to 95% or more
CHARGE COMPLETE
Steady Green
Fault
WARNING:
NOT CHARGEABLE
REMOVE& REINSERT
Flashing Red
Standby
• Battery is waiting to rapid 
charge
WARNING:
HOT BATTERY
WAITING TO CAL
OR
COLD BATTERY
WAITING TO CAL
OR
VERY LOW BATTERY
WAITING TO CHRGE
Flashing Amber
MN002407A01.book  Page 16  Thursday, February 16, 2017  3:18 PM