Specifications

TroubleshootingGuide
20|Page
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5.4TROUBLESHOOTING‐PROCEDURES
VerifyingproperDipswitchsettings…p.20
Drainingtheunit………………………………p.22
Cleaningthefilter…………………………….p.22
CheckingforaCrossConnection………p.22
CheckforReverseConnection………….p.22
Checkgassupplypressure……………….p.23
Purgethegaslineofair…………………..p.23
Adjustingmanifoldpressure…………….p.24
Resettingthecomputerboard…………p.24
CheckingtheOHCF………………………….p.25
VERIFYINGPROPERDIPSWITCHSETTINGS:
• IncorrectDipswitchsettingscancausea031errorcode,oranumberofoperationalproblems.
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Table3–Dipswitches,Left/RightComputerBoard
No. Function ONposition OFFposition
1 FanMotor+
(Increasesfanmotorspeedautomatically)
+6%FM‐speed Disable(Default)
2 N/A N/A N/A(Default)
3 N/A N/A N/A(Default)
4 Allowadjustmentsoffanmotorspeed
(Similartochangingmanifoldpressure)
Enable
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Disable(Default)
5 Allowaccesstooperationhistory
(Forspecializedpurposesonly,donotuse)
EEPROMdata
transfer
Disable(Default)
6 Activationofthefanmotorfreeze
protectionsystem
Disable Enable(Default)
7 N/A N/A N/A(Default)
8 FanMotor++
(Increasesfanmotorspeedautomatically)
+12%FM‐speed Disable(Default)
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Figure16
Figure17