Lochinvar CHA 100 CE, Инструкция по установке, пусконаладке, эксплуатации и техническому обслуживанию

Страница: 57 / 74

Inst
ruction manual
C
H
A
57
Green LED ON
and
Red LED ON
There are three possible causes for this error. In order to determine the cause, you must
cause the error to appear again:
1. Reset the appliance by pressing the reset button 1x
2. If nothing happens, then the reset button has been pressed too often (maximum 5 times
in a single heating cycle). Disconnect the appliance from the mains and then restart it.
See
Isolating the appliance from the mains and steps 3 through 5 of Starting the water
heater .
3. Decide which type of cause (a) or (b) describes the situation.
If the error cannot be resolved or is persistent, contact your
installation engineer
(a)
three unsuccessful
start attempts in a row
1. No gas:
- Check that the gas valve is open
- Check whether the gas control is opening (clicking of the
gas control)
- Check the leads of the gas control
2. No ignition:
- Check whether the hot surface igniter lights up
- Check the electrical supply to the hot surface igniter.
- Check the leads of the glow igniter
3. No flame detection:
- Check that the Phase (L) and Neutral (N) are correctly
connected (from the mains) to the appliance
- Check whether the flame probe is defective
- Check that the flame probe leads are properly connected
(b)
The safety thermostat
has cut out
1. The safety thermostat has cut out correctly:
- Reset the appliance
- Check whether the high-limit thermostat is working
- Check that the circulation pump (if present) is working
2. The safety thermostat has cut out without apparent reason:
- Check whether the thermostat is defective
- Check whether the sensor of the thermostat is defective
Feature Cause Measure Comment