T roubleshooting
Pr oblem P ossible Cause Cor r ecti v e Action
SPN 4992, FMI 4
1. R ev erse polarity er ror
1. T he batter y is connected to the c harg er
incor rectly . Ensure that the batter y
connections are secure .
SPN 520193, FMI 3
1. High A C v oltag e er ror (>270V A C) 1. Connect c harg er to an A C source that
pro vides stable A C betw een 85 - 270 V A C
/ 45-65 Hz.
SPN 524032, FMI 3
1. Charg er failed to initialize 1. T he c harg er failed to tur n on properly .
Disconnect the A C input and batter y
connection for 30 seconds before retr ying .
SPN 520193, FMI 4
1. Lo w A C v oltag e oscillation er ror 1. T he A C source is unstable . Could
be caused b y undersized g enerator or
sev erely undersized input cables . Connect
c harg er to an A C source that pro vides
stable A C betw een 85 - 270 V A C / 45-65
Hz.
SPN 524033, FMI 31
1. R e-prog ramming failed 1. Softw are upg rade failure or script
operation failure . Ensure that the new
softw are is cor rect.
SPN 524035 or SPN 524042, FMI 31
1. Comm unication er ror with batter y
1. Ensure that the connection of the signal
wires to the batter y is secure .
SPN 524035 or SPN 524042, FMI 9
1. Comm unication er ror with batter y
1. Ensure that the connection of the signal
wires to the batter y is secure .
Battery-Charger Fault Codes
F or additional diagnostic infor mation, refer to the Hypercell Diagnostic F ault Code Man ual.
Pr oblem P ossible Cause Cor r ecti v e Action
SPN 524160, FMI 31
1. Inter nal c harg er fault
1. R emo v e the A C connection and batter y
connection for a minim um of 30 seconds
and retr y . If it fails ag ain, please contact
an authorized Exmark distributor .
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