Enerco HS300ID - Manual (Page 5)

5 Operating Instructions and Owner’s Manual ENERCO GROUP, INC. |Indirect Fired Portable Heater
TROUBLESHOOTING
TROUBLE CAUSE SOLUTION
Heater does not start •No power •Check main distribution board and power supply line
•Faulty cable/connections •Check/have cable replaced by a qualified electrician
•Burnt fuse •Check and replace if required
•Room thermostat set too low •Set room thermostat on a higher temperature
•Thermostat socket cap not inserted •Insert cap into the thermostat socket
•The safety thermostat has been activated •Reset the safety thermostat
Heater starts, flame ignites •Dirty or faulty flame sensor •Clean or replace
but then heater locks out •Faulty burner control unit •Contact service personnel
Heater starts, flame does •Clogged nozzle •Clean or replace
not ignite and then heater •Flame sensor receives an external •Check for external lights (sun, lamps, etc.)
locks out light signal during ignition sequence
•Faulty burner control unit •Contact service personnel
•No fuel •Fill tank
•Ignition fault, dirty or incorrectly •Clean electrodes, contact service personnel if required
spaced electrodes
Heater starts, but •Dirty or blocked nozzle •Clean or replace
combustion is not good •Clogged filters •Clean or replace
•Leakes in fuel circuit •Check and eventually replace
•Oil pump provides low pressure •Contact service personnel
•Insufficient combustion air •Wrong air lock setting
•Insufficient ventilation air •Contact service personnel
Heater stops due to safety
thermostat •The appliance has overheated •Contact service personnel
•Faulty safety thermostat •Contact service personnel
WIRING DIAGRAM