Kohler M340+ User Manual

4-13
Controller Troubleshooting
TP-5672 11/95
Sulfuric acid in batteries.
Can cause severe injury or death.
Use protective goggles and clothes. Battery acidcan
causepermanent damage toeyes, burnskin, andeat
holes in clothing.
WARNING
Sulfuric acid in batteries can cause severe injury or
death. Sulfuric acid in battery can cause permanent
damage to eyes, burn skin, and eat holes in clothing.
Always wear splash-proof safety goggles whenworking
around the battery. If battery electrolyte is splashed in
the eyes or on skin, immediately flush the affected area
for 15minutes withlargequantitiesofcleanwater. Seek
immediatemedicalaidinthecaseof eyecontact. Never
addacidto a batteryoncethebattery hasbeenplacedin
service. This may result in hazardous spattering of
electrolyte.
NOTE
When taking a voltage or resistance measurement
at a ribbon cable pin, do not disconnect the ribbon
cable from the board. Use a needle point probe to
take the readings from the holes on the top side of
the ribbon cable connector.
a. Check the voltage at P2-13. Using a voltmeter,
connect the positivetest leadto P2-13. Connect
the negative test lead to TB-DC1-34. See
Appendix B, Figure B-6 for location and
description of P2 ribbon cable pins. Carefully
remove the power source by disconnecting the
in-linedisconnect plug. Leavethe power source
disconnected for six seconds. After six seconds
note the voltmeter reading.
b. If the voltage is less than six volts, replace the
power supply board.
c. Ifthevoltageisgreaterthansixvolts, replacethe
logic board assembly.
RAM Or Memory Error Message
If either a RAM ERROR or a MEMORY ERROR
message appear on the LCD, power down the logic
boardforat least30seconds.Replacepowerto thelogic
board. If either the RAM ERROR or MEMORY ERROR
messagestillappear ontheLCD, themainlogicboardis
defective. Replace the logic board assembly.
Manual Transfer Message
The MANUAL TRANSFER message will appear on the
LCD when a transfer to the emergency source or to the
normal source is desired but the logic board is in the
manual mode. When this message appears press the
appropriatepushbutton:ManualTransfer-to-Emergency
or Manual Transfer-to-Normal. If automatic transfer is
desired instead of manual transfer, place the
automatic/manual transfer switch in the automatic
position.
Manual-to-Off Transfer Message
TheMANUALTO OFF messagewill appearon theLCD
when three conditionsaremet: 1) Thetransfer switchis
in either the emergency or normal position, 2) the logic
controller is inmanual mode, and 3) theoff positiontime
delayisenabled. Whenthismessageappearspressthe
MANUAL-TO-OFF pushbutton.

Kohler M340+ Specifications

General

Brand	Kohler
Model	M340+
Category	Switch
Language	English