Troubleshooting guide for vent-free gas products, Observed problem possible cause remedy – Superior UNVENTED GAS LOG ROOM HEATERS VFGL-28VSP-4 SERIES User Manual

UNVENTED GAS LOG ROOM HEATERS VFGL-24MSP-4 SERIES*, UNVENTED GAS LOG ROOM HEATERS VFGL-24MSN-4 SERIES*, UNVENTED GAS LOG ROOM HEATERS VFGL-24VSN-4 SERIES, UNVENTED GAS LOG ROOM HEATERS VFGL-18VSN-4 SERIES, UNVENTED GAS LOG ROOM HEATERS VFGL-18MSP-4 SERIES*, UNVENTED GAS LOG ROOM HEATERS VFGL-18MSN-4 SERIES*, UNVENTED GAS LOG ROOM HEATERS VFGL-28MSP-4 SERIES*, UNVENTED GAS LOG ROOM HEATERS VFGL-24VSP-4 SERIES, UNVENTED GAS LOG ROOM HEATERS VFGL-28MSN-4 SERIES*, UNVENTED GAS LOG ROOM HEATERS VFGL-28VSN-4 SERIES, UNVENTED GAS LOG ROOM HEATERS VFGL-18VSP-4 SERIES