Lochinvar EcoSword LGC 160-210 G P CE Installation, Commissioning, User & Maintenance Instructions page 73

Code and description
E05 (lock out error)
Control error
F01 (blocking error)
Control error
F02 (lock out error)
Fan error
Fan does not run on
correct speed
F03 (lock out error)
Air proving switch error
Switch is closed when fan
is not running.
0312582_EcoSword_V4.0, 03-05-2021
Cause
Control was in a blocking error for at
least 20 hours.
Live and neutral are connected the
wrong way around.
Damaged or disconnected wiring.
Contaminated or blocked fan.
Due to a drop in supply voltage, the fan
will not run at the correct speed.
Defective motor and/or rotor.
Damaged wiring/closed circuit.
Air proving switch defect.
Measure
- Press [RESET] to reset the water
heater.
If the error reappears:
- Find the cause of the blocking error
(parameter 272).
- Remove the blockage and reset the
controller.
If the error reappears, replace the
controller.
Make sure that the live and neutral are
connected correctly and rectify if necessary.
- Make sure that the wiring between the
fan and the controller is connected
and not damaged.
- If necessary, replace the wiring. Reset
the controller when the wiring is
reconnected
- Make sure that the motor and/or rotor
of the fan are not dirty or blocked.
- If necessary remove the dirt and/or
blockage.
- Reset the controller.
- Make sure that the rotor of the fan can
rotate freely and reset the controller.
- Make sure that the supply voltage is
correct and reset the controller.
The measured voltage must be
230 V (-15%, +10%)
AC
- Contact you maintenance and service
engineer when the supply voltage is
not correct.
- Make sure that the motor and/or rotor
are not defective and reset the
controller.
- Replace the fan when the motor
and/or rotor are defective and reset
the controller.
- Make sure that the wiring, between
the air proving switch and the control,
is connected and not damaged.
- If necessary replace the wires or
reconnect the wires. Reset the
controller, when wires are replaced or
reconnected.
- Make sure that the air proving switch
works properly.
- If necessary, replace the air proving
switch.
- When the air proving switch is
replaced and reconnected, reset the
controller.
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