ULTRA HIGH EFFICIENCY POWER VENT/POWER DIRECT VENT - SERVICE MANUAL
UIM (CONT)
Table 4 - Status Icons
STATUS ICON | DESCRIPTION | ||||
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| The temperature of the water in the tank has fallen and the water heater will now initialize |
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| a new heating cycle. |
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| The temperature of the water in the tank has reached the Operating Set Point. |
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| The control is unable to initiate any further heating cycles. This is usually caused by a |
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| fault condition detected by the control. |
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| The blower is being energized. |
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| The Blower Prover Air Pressure Switch contacts have closed. Check Mark Icon is visual |
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| confirmation of contact closure. |
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| The igniter has been energized. |
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| The igniter has been energized and the control system has sensed minimum (2.0 AC |
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| amps).Check Mark Icon is visual confirmation of minimum igniter current. |
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| The gas valve has been energized. |
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| The control system has sensed minimum (1.0 µA) DC micro amps.Flame Icon is visual |
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| confirmation of minimum flame sensing current. |
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| The control has detected a fault condition. |
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| The control has detected a warning condition. These conditions will not cause the control |
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| system to lock out (discontinue water heater operation), but does merit attention. |
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Technical Literature Department | 30 of 52 | Ashland City, TN © 2008 |
Servicing should only be performed by a Qualified Service Agent |
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