6.2
Error/Alarms and Troubleshooting
Error
No.
Warning
message
Problem causes
Corrective actions
E:
1
FOLLOW
BOILER
Hotwater storage
temperature
decreases by
5
K vs.
maintain
temperature
Connect sensor to HWAT-ECO
or set
programme water
heater sensor to OFF.
Check sensor
connections.
Replace sensor.
E:
2
.
1
BOILER
SENSOR OPEN
Sensor not
connected or broken See E.
1
.
E:
2
.
2
BOILER
SENSOR
SHORT
Sensor short
See E.
1
.
E:
2
.
3
PIPE SENSOR
OPEN
Sensor not
connected or broken See E.
1
.
E:
2
.
4
PIPE SENSOR
SHORT
Sensor short
See E.
1
.
E:
3
.
1
PIPE TEMP
HIGH
Water pipe
temperature
too high
Will pop up if
Temperature sensor
is higher than the
maximum exposure
temperature of the
HWAT cable: HWAT-M
(
65
°C), HWAT-R
(
85
°C)
Water heater sensor
failure. Sensor has not
been installed. Sensor
or sensor cable defect
(only when water
heater sensor “On” is
selected)
Check Sensor and Boiler
temperature
E:
3
.
2
BOILER TEMP
HIGH
Water heater
temperature too high
Will pop up if
Temperature sensor
is higher than the
maximum exposure
temperature of the
HWAT cable: HWAT-M
(
65
°C), HWAT-R
(
85
°C)
Check Sensor and Boiler
temperature
E:
4
.
1
BOILER TEMP
LOW
Water heater
temperature is lower
than maintain
temperature set point
of the HWAT-ECO
Check water heater
temperature (also indicated in
INFO of HWAT-ECO menu) Check
maintain temperature setting at
HWAT-ECO. Check temperature
sensor mounting
E:
4
.
2
PIPE TEMP
LOW
Water heater
temperature is lower
than maintain
temperature set point
of the HWAT-ECO
Check water heater temperature
(also indicated in INFO of
HWAT-ECO menu).
Check maintain temperature
setting at HWAT-ECO. Check
temperature sensor mounting
|
19
Summary of Contents for HWAT-ECO V5
Page 5: ...EN CZ NL DE FR PL DK IT ZH 4 5 6 nVent com RAYCHEM 5...
Page 6: ...EN DE CZ NL FR PL DK IT ZH 7 8 9 6 nVent com RAYCHEM...
Page 7: ...EN CZ NL DE FR PL DK IT ZH CLICK 10 11 12 nVent com RAYCHEM 7...
Page 8: ...EN DE CZ NL FR PL DK IT ZH 30mA RCD C20A ON 15 HWAT E CO V5 13 14 8 nVent com RAYCHEM...
