Radiant HL2-DS-30-65 Installation Manual
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Contents
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LED Code Fault Status Fault Code Delay*Initial flash on power up, thensteady off No fault, normal operation No DelaySteady ON Module failure / Internal fault No Delay1 flash Ignition failure 3 minutes2 flash APS (Air Proving Switch)Fan / Intake / Exhaust 1 - 30 seconds4 flashes Erroneous flame signal No DelayNo flash on 117 V startup Transformer fault No Delay29HL2-DS Series4.0 Operation • DiagnosticsChart 4.1 • LED Fault Code Status (Located on Circuit Board Inside Control Box)* Some LED codes have a time delay before the LED will flash.DiagnosticsLockout:The controls will automatically lockout the heater system when an external or system fault occurs. Thereare two types of lockout:Soft Lockout: The heater will attempt to light three times. In the event of a failed attempt to light, (gaspressure, valve, no flame sense, etc.), the heater will enter a Soft Lockout period for 30minutes and then attempt to light three more times before entering Hard Lockoutmode.Hard Lockout: If proof of flame is not established, a component failure occurs, or blockages areevident, the heater will enter Hard Lockout. If lockout occurs, the control can be resetby briefly interrupting the power source. Refer to Chart 4.1 below for a description ofLED codes.Figure 4.1 • External LED Operation Indicator LightsNOTE: Hard lockout LED CODE will appear upon completion of the soft lockout sequence of operation.Light 1 (amber)Indicates LowFire ModeLight 2 (amber)Indicates HighFire ModeLight 3 (green)Indicates PressureSwitch ClosesOperational Indicator Lights |
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