Fan and Button Board
18
900-0054-01-00 Rev
A
Fan Test Procedures
Test the fan using the following procedures:.
Figure 21 Fan Test Procedure
You may now apply PV input to the FLEXmax Charge Controller to resume charging.
3. Check the LCD. The operational mode on
the FLEXmax screen should change from
“Sleeping” to “BatTmpErr”. The fan will
begin running.
1. Remove the Remote Temperature
Sensor (RTS) jack from the port, if
present.
2. Insert a flat screwdriver inside the RTS
port. Gently press the screwdriver tip
against all the pins at once. This will
create a false signal that will turn the
fan on.
4. Once the fan operation has been verified,
remove the screwdriver from the RTS port
and reconnect the RTS, if available.
IN 005 V OUT 25.0 V
00.0 A 00.0 A
Watts 0000 AuxOff
kWHrs 00.0 BatTmpErr
LCD Display
RTS Port
