START
IP SYSTEM TROUBLESHOOTING SEQUENCE
Turn OFF Gas Supply
Disconnect System Control Harness
Set Thermostat to Call for Heat
Check for Proper Voltage at
SmartValveTM System Troubleshooting Sequence
Note: Before Troubleshooting, Become Familiar
with the Sequence of Operation
INSET A
24Volt
Thermostat
24 Volts
24 Volt
Common 24
Volts
End View
of Control
Harness
Connector
EFT
Output
24 Volt
Hot
Control Harness (See Inset A - Voltage Should be 24V Between Thermostat and 24V Common, and 24V Between 24V Common and 24V Hot.)
YES
Plug Harness into SmartValve Control
NO | Check | |
Line Voltage Power | ||
|
Low Voltage Transformer
Limit Controller
Thermostat
Wiring
INSET B
HSI
Terminals
Wait for Internal Check Delay (SV9501)
Igniter Warms UP and Glows Red
Note: Igniter Will Cycle OFF
and Back ON Once During the
90 Second Ignition Trial
YES
Turn On Gas Supply
Pilot Burner Lights
YES
Main Valve Opens and
Main Burner Lights
YES
System is Okay
NO
NO
NO
Unplug Pilot Burner Cable.
Measure Voltage at SmartValue HSI
Element Output (See Inset B) 24V
Nominal
Replace Igniter/Flame Rod
Assembly
Reconnect Pilot Burner Cable
Check that Pilot Gas is Flowing Wait to Assure Pilot Gas Tubing is Purged.
Measure Voltage Between 24V Hot and 24V Common Leads to SmartValve Control. Must Measure at Least 19.5 VAC with Igniter Powered. See Inset A to Identify Proper Lead. This Check Must be Done with the SmartValve Control Connected and Igniter Powered.
Replace Igniter/Flame Rod
Assembly
Check that Pilot Flame Makes Good Contact with Pilot Burner Flame Rod
Check for Good Electrical Connection Through the Pilot Tubing
If Both of the Above are Good, Replace Igniter/Flame Rod
Cycle Thermostat OFF and Back
ON
Main Burner Lights
NO | Replace SmartValve Control |
|
Reconnect Pilot Burner Cable
NO | Replace SmartValve Control |
|
NO | Check Transformer and Line Volt | |
Supply | ||
|
NO | Replace SmartValve Control |
|
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