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TP-6200 10/12
TP-6200 10/12 159Section 4 Troubleshooting
4.2 Controller Display and Voltage Regulation Troubleshooting Chart
Trouble Symptoms
Probable Causes Recommended Actions
Section or Publication
Reference*
Controller Display and Voltage Regulator
Display is black No/low battery charge Recharge/replace battery Section 3, Battery
Display shows single segment Low battery voltage Recharge battery Section 3, Battery
Display shows an error message Controller firmware or keypad entry error Review the Request and Error Message Section Section 2.5.3
Display shows an EEPROM WRITE
ERROR message
EEPROM fault caused by component failure, lightening strike, or
voltage spike
Reinitialize the problem data block [
Contact an Authorized
Distributor/Dealer
Display locks up No/low battery charge Recharge/replace battery Section 3, Battery
Output voltage ramps Defective exciter winding
Troubleshoot alternator components [
Generator Service Manual
Output voltage unstable Voltage regulation calibration incorrect
Readjust voltage regulation [
Menu 11, Voltage Regulator
Speed adjust does not function Analog input A06 is supported with Doosan, GM, and Volvo
engines only
Check calibration values Menu 12, Calibration
Voltage adjust does not function for
paralleling applications
Analog input A07 description does not match Analog Volt Adjust Change description to Analog Volt Adjust using Monitor III
software or enable analog voltage adjust in Menu 11
Monitor Software Manual,
Menu 9, Input Setup
* Sec./Section—numbered section of this manual; ATS—Automatic Transfer Switch; Eng.—Engine; Gen.—Generator Set; I/M—Installation Manual; O/M—Operation Manual;
S/M—Service Manual; S/S—Spec Sheet; W/D—Wiring Diagram Manual
[ Have an authorized service distributor/dealer perform this service.