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Part number 550-141-850/069980
GOLD GV Water boiler series 3 — manualGOLD GV Water boiler series 3 — manual
GOLD GV Water boiler series 3 — manualGOLD GV Water boiler series 3 — manual
GOLD GV Water boiler series 3 — manual
CHART 7
—
LIMIT
light flashing and
POWER
light on steady
• This is not a lockout mode. The control module should only be signaling that the water temperature sensor is either shorted or
there is an open circuit across the sensor terminals..
• This situation is usually corrected by replacing the sensor, as described below.
Electrical shock hazard — Wherever you see
▲
TURN OFF POWER
▲
, follow the instructions. Failure to follow
instructions could result in severe personl injury, death or substantial property damage.
• Remove
SENSOR
plug from receptacle on GCM (
Figure 34, Item
6
). Then re-insert.
Does LIMIT light still flash?
No Yes
No Yes
• Boiler may now be operating correctly. Verify per normal
sequnce of operation in Figure 22.
• Replace sensor and harness.
Does LIMIT light still flash?
• Replace GCM (control module).
• Retest.
Troubleshooting — GCM lights (continued)XIg