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PowerOptimal Elon Smart Thermostat User Guide
Elon® Smart Troubleshooting
Guide for Electricians V1.4
List of Alarms and How to Resolve Them
The Elon Smart has a helpful alarm system that detects and reports common issues. See the below list
for the various alarms and how to resolve them.
Always check that you have the latest version of the app by going to the “Elon Smart Water” app in
your app store.
ID
Alarm message
How to resolve the alarm
0
Element Faulty
a. Check that the thermostat is inserted correctly.
b. If that does not clear the alarm, measure element
resistance and replace if necessary.
1
2
3
Switch Failed
Contact technical support
DC Disconnect Failed
No Power on AC Input
Contact technical support
This can be due to several reasons:
a. There is no AC power connected to the Elon Smart
b. AC power is off at the circuit breaker in the DB board
or at the AC isolator close by the Elon Smart unit.
c. There is a power failure or loadshedding.
This alarm won’t prevent the Elon Smart unit from
functioning and heating water with solar (DC) power as
long as there is solar power available.
You can clear the alarm by switching the AC power on
(where applicable), setting the Elon Smart heating policy
to Solar Only (see Table 4.1) or you can leave it until AC
power returns.
4
5
Measurement Failure
Contact technical support
Disconnected for Safety
When there is a safety-related alarm condition, the Elon
Smart will disconnect power from the geyser. To clear
this alarm, you need to clear the other safety-related
alarm(s).
6
7
Water Temperature
Measurement Failure
Ambient Temperature
Exceeded
Contact technical support
a. Check the installation. If the geyser is installed in
direct sunlight, see if you can provide shade to the
geyser end space area where the Elon Smart is located.
b. Reduce temperature set point by 5 degrees.
c. Wait until temperatures cool down. The Elon Smart
will start up again.
d. Contact technical support if the above doesn’t clear
the alarm.
8
DC Wiring Insulation Failure
a. Check solar panels and DC wiring for insulation faults.
b. To operate the Elon Smart whilst the insulation fault
has not been located and resolved, you can set the
heating profile to Grid Only or switch off the DC
disconnect switch.
9
Insulation Self-Test Failed
AC Wired to DC Input
a. Check earth wiring. Make sure both earth straps are
connected securely to the geyser earth stud.
Wire AC to correct input (see Chapter 4).
10
| General | Details |
|---|---|
| Name | PowerOptimal Elon Smart Thermostat User Guide |
| Make | PowerOptimal |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.22 MB |
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