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Lavor PT70ss and PT70ss-plus Diesel Radiant Heaters, the photo cell (or photocell assembly) is a critical safety component that monitors the flame. If it doesn't detect light from the flame within a few seconds of ignition, it shuts the heater down to prevent unburned fuel from spraying.
PRODUCT CODE PIS75.038.0200
If your heater starts but shuts off almost immediately (usually after about 5–10 seconds), the photo cell is the likely culprit. Before replacing it, try these steps:
Clean the Lens: Over time, soot or dust can coat the lens of the photo cell. Gently wipe it with a clean, soft cloth.
Check Alignment: Ensure the cell is properly seated in its bracket and aimed directly at the combustion chamber to "see" the flame.
Inspect Connections: Verify that the wires leading to the main PCB (Control Board) are secure and not frayed.
Lavor PT70ss and PT70ss-plus Diesel Radiant Heaters, the photo cell (or photocell assembly) is a critical safety component that monitors the flame. If it doesn't detect light from the flame within a few seconds of ignition, it shuts the heater down to prevent unburned fuel from spraying.
PRODUCT CODE PIS75.038.0200
If your heater starts but shuts off almost immediately (usually after about 5–10 seconds), the photo cell is the likely culprit. Before replacing it, try these steps:
Clean the Lens: Over time, soot or dust can coat the lens of the photo cell. Gently wipe it with a clean, soft cloth.
Check Alignment: Ensure the cell is properly seated in its bracket and aimed directly at the combustion chamber to "see" the flame.
Inspect Connections: Verify that the wires leading to the main PCB (Control Board) are secure and not frayed.