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range.
•
Check to see if boiler has overheated.
•
Power board off and check for Water jacket sensor
resistance.
•
Check for defective sensor (500 Omhs with power
off).
•
Check for defective sensor (0.0V at terminal block
with power on).
•
Press the Reset Switch for One Second to Recover.
Blue LED is solid due to low oxygen.
Blue LED is extinguished
Alarm/Alert LED flashes 9 times and then Alarm/Alert
LED off for 1 second
This alert indicates an error with the computer processor.
•
Check for power interference before replacing the
IBC board.
•
Cycle the Power to Recover.
•
Replace controller board if continues.
Alarm/Alert LED on and Lockout LED off 0.5
seconds Alarm/Alert LED off and Lockout LED on
0.5 seconds
This alarm indicates an error with the temperature control
potentiometer.
•
Replace board if the problem persists.
•
Cycle the Power to Recover.
Stuck Reset Switch (P.O.S.T.)
Alarm/Alert and Lockout LED on 1.02 seconds
Alarm/Alert and Lockout LED off 0.2 seconds
Summary of Contents for Klear Sky 400
Page 1: ...Klear Sky 400 P O Box 310 Mountain Grove MO 65711 417 746 0043 www EarthOutdoor com...
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