Test 7 - Inducer On, Prover Switch And Low Gas Pressure Switch Closed - State Water Heaters SANDBLASTER SBD30 150 Service Handbook
Self-cleaning induced draft multi flue commercial gas water heaters
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Also See for SANDBLASTER SBD30 150:
- Specification sheet (2 pages) ,
- Specifications (2 pages)
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SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL
TEST 7 – INDUCER ON, PROVER SWITCH AND LOW GAS PRESSURE SWITCH
CLOSED ....................NO IGNITOR OPERATION
Conditions:
Power on
●
Plugs in receptacles
●
Inducer on
●
24V at ignition board E1, Pin
●
10
No Power to IGNITOR
●
Note:LED Flash code
TEST 7
If.......
Continuity is not indicated between E4plug pin 2 to 4.
Continuity is present
Voltage is not present between E4, Pin 2 to ground
Voltage
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Voltage is not present between E4, Pin 4 to ground
Voltage is present
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Ashland City, Tennessee
GAS WATER HEATER SERVICE HANDBOOK
Voltage check and continuity check of hot surface IGNITOR
circuit
Continuity check - Power off- Plug removed from E4 receptacles.
Nominal 80 VAC check - Plug in E4- Power "On".
s r
©
2
0
0
7
CHECK E1PIN 10 TO
GROUND – 24 V.
CONTINUITY TEST E4
PLUG
then.......
Check wiring and connection from E4 plug to HSI receiving
plug...................Replace HSI Assembly
Resistance should be between 11 and 20 Ohms at a
temperature of 77°F
Replace ignition board
C
ontinue
Check wiring and plug connections to HSI.........Replace HSI
Note ignition board, Flash code LED.............HSI should work
4
0
CHECK E4 PIN 4 TO GROUND
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