Model reference

Lennox G32V-4

Name: Lennox G32V-4
Brand: Lennox

Furnace

1 document24 error codes

Available documentation

Service Manual

G32V Series Service Literature91 pg
Covers this model

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DS1 Alternating Fast Flash / DS2 Alternating Fast Flash on my Lennox G32V-4

M+

During ignitor warm-up period only:

From Service Manual 533355, p.47:

1.Access service mode to confirm the active fault code and read stored error history.

2.Measure control board supply voltage at test points. Expected: 12 VDC and 5 VDC.

3.Inspect all connectors on the main control for corrosion or backed-out pins.

Part WPW10804018

Electronic control board

Error codes (24)

CodeMeaning

DS1 Alternating Fast Flash / DS2 Alternating Fast FlashDuring ignitor warm-up period only DS1 Alternating Slow Flash / DS2 Alternating Slow FlashWatchguard DS1 Fast Flash / DS2 Slow FlashLow flame signal DS1 OFF / DS2 Fast FlashHigh pressure switch open; OR blocked inlet/exhaust vent; OR high pressure…DS1 OFF / DS2 Slow FlashLow pressure switch open (G32V-75 only); OR blocked inlet/exhaust vent; OR low…DS1 ON / DS2 OFFMain power polarity reversed DS1 ON / DS2 ONCircuit board failure or control wired incorrectly DS1 Simultaneous Fast Flash / DS2 Simultaneous Fast FlashNormal operation DS1 Simultaneous Slow Flash / DS2 Simultaneous Slow FlashPower on DS1 Slow Flash / DS2 Fast FlashLow flame signal. Measures below 0.23 microAmps. Replace flame sense rod…DS1 Slow Flash / DS2 OFFFlame sensed without gas valve energized DS1 Slow Flash / DS2 ONPrimary, secondary or rollout limit switch open LED1 Alternating Fast Flash / LED2 Alternating Fast FlashImproper main ground or line voltage below 75 volts; OR broken ignitor; OR open…LED1 Alternating Slow Flash / LED2 Alternating Slow FlashWatchguard LED1 Fast Flash / LED2 Slow FlashLow flame signal LED1 OFF / LED2 ONMain power polarity reversed LED1 OFF / LED2 Slow FlashPressure switch open or has opened 5 times during a single call for heat; OR…LED1 ON / LED2 ONCircuit board failure or control wired incorrectly.LED1 ON / LED2 Slow FlashRollout switch open OR 9-pin connector improperly attached.LED1 Simultaneous Fast Flash / LED2 Simultaneous Fast FlashNormal operation LED1 Simultaneous Slow Flash / LED2 Simultaneous Slow FlashPower on LED1 Slow Flash / LED2 Fast FlashImproper main ground or line voltage below 75 volts; OR broken ignitor; OR open…LED1 Slow Flash / LED2 OFFFlame sensed without gas valve energized.LED1 Slow Flash / LED2 ONPrimary or secondary limit open

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