Troubleshooting
SI4248U Manual
58
Troubleshooting
Refer to the following table as a guide to the errors codes generated by the Sunny Island
4248U.
Name
Cause
Release
Description
CBT-Open
T >= 70
°
C
T < 70
°
C
Battery temp-sensor cable broken
CBT-Short
T <= -40
°
C
T > -40
°
C
Battery temp-sensor shorted
ChargeLow
SOC <
SOCLim3
SOC >
SOCLim3
Battery SOC critical
CHS-Open
T >= 150
°
C
T < 150
°
C
Heatsink temp-sensor cable broken
CHS-Short
T <= -40
°
C
T > -40
°
C
Heatsink temp-sensor shorted
CTR-Open
T >= 150
°
C
T < 150
°
C
Transformer temp-sensor cable broken
CTR-Short
T <= -40
°
C
T > -40
°
C
Transformer temp-sensor shorted
FailSet
TrfDerateTemp
>= TrfMax-
Temp or
HSDerate
Temp >=
HSMaxTemp
Set parameter
correctly
Derating settings incorrect
HS-TempOV
T >=85
°
C
T <= 80
°
C
Heatsink over temperature
INTERNAL01
AST- Short
INTERNAL02
AST- Open
INTERNAL03
Demand-State
not equal to
DSP state
Automatic
acknowledge.
Restart
No reaction of DSP to change of
demand state
INTERNAL04
Lost Two hand-
shakes from
DSP (T >= 1
sec.)
Automatic
reset
Lost DSP Handshake
INTERNAL05
Measurement
out of valid
range
Automatic
acknowledge.
Restart
DSP measurement failure. Breakdown
bit-coded error-info at DSPE_SY
INTERNAL06
Over current
detected by
DSP
Automatic
acknowledge.
Restart
DSP over current
Summary of Contents for Sunny Island 4248U
Page 2: ...SI4248U Installation Guide ii...
Page 6: ...SI4248U Installation Guide vi...
Page 74: ...Battery Management SI4248U Manual 66...
Page 98: ...Battery Management SI4248U Manual 90...
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