HF Series Generators
T roubleshooting
TR-1005R4
59
ERROR CODE : E26
DESCRIPTION : Voltage failure in Battery Powered Generators with Stand-Alone.
ERROR TYPE : Fatal error. System shut down.
APPLICABLE TO : All Battery Powered Generators with Stand-Alone.
APPEARS WHEN : At the beginning of exposition.
INFORMATION / SYMPTOM : System failure
POSIBLE CAUSES
No voltage detected at Stand Alone.
Shutdown
DC is below or over specifications
HT Controller cables are accidentally grounded.
ACTIONS
1. Check that DL4 is ON, if it is OFF, Stand Alone Board is not powered.
2. Check that DL3 is OFF, if it is ON, a shutdown has occurred.
3. Check that DL5 is OFF, if it is ON, DC is below or over specifications.
4. Check that battery voltage cables connected to HT Controller are not grounded.
ERROR CODE : E27
DESCRIPTION : Failure in Console EPROM. Bad checksum.
ERROR TYPE : Fatal Error . Generator does not start.
APPLICABLE TO : All Generators
APPEARS WHEN : During Console initialization.
INFORMATION / SYMPTOM : The Console performs a checksum procedure of EPROM when it has been configured to a
non-allowed calibration and it has found this value to be incorrect.
POSIBLE CAUSES
The Console has been configured in a non communication mode.
The non volatile RAM does not calculate and compare the Console checksum.
The EPROM (U24) has been corrupted.
ACTIONS
1. Check if dip--switch SW2 on A TP Console is well configured per Service Manual.
2. If error remains, replace the non--volatile RAM (U23) on A TP Console.
3. If error remains, replace the EPROM (U24) on ATP Console.
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