Dip Switch Settings
Central Timer | Stand Alone |
Control | Control |
off on | off on |
1
2
3
4
1Computer Programming
2Computer Programming
3Central Control System
4Emergency Cut Off
If controlled by a central timer, dip switch 3 must be in the ON position.
To use a time clock you will also require a transformer and sub PCB available from Rinnai.
When a time clock is used the appliance On/Off button will not operate.
If Emergency cutoff loses signal unit will stop.
Emergency Cut Off can not be used with
Central Control System.
Fault Codes
| HI | Overheat | Blocked Flue Terminal |
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| Switch | Blocked Air Filter |
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| Power Failure |
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| Warm Air Obstruction |
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| Gas Type |
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| Gas Pressure |
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| Convection Fan coil resistance |
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| PCB voltage to Convection Fan |
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| PCB voltage to Overheat Circuit |
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| Thermal Fuse Resistance |
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| Overheat Switch Resistance |
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| CI | Room Temp | Room Temp Thermistor Resistance |
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| Sensor Faulty |
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| C2 | Overheat Temp | Overheat Thermistor Resistance |
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| Sensor Faulty |
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| H6 | Overheat | Thermal Fuse |
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| dI | Sparker Failure | PCB |
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| Sparker input voltage |
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| Spark Gap |
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| No Ignition | Flame Rod carboned up |
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| bI & Com- |
| PCB |
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| Blocked burner ports |
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| bustion Lamp |
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| Blocked Flue Terminal |
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| Gas Type |
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| Combustion Fan |
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| Gas Pressure |
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| EO | Communication | PCB |
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| Error (Ghost | Flame Sensor |
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| Flame) | Sparker |
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| b3 + Com- | Flame Failure | Physical Blockages |
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| bustion Lamp |
| Flame Rod |
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| n2 | Air Proving | Blocked Flue |
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| Device | Faulty PCB |
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| Combustion Fan |
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| Kinked/disconnected air tube |
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| Heat Exchanger Blocked |
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| Air Proving Senser |
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| n1 | On/Off Button | Check On/Off switch |
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| sub PCB |
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| Faulty |
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| PCB |
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27 | 28 |
