Nibe F1345 - Alarm List

Alarm list
ALARM
Indication that one or more alarms are active
• Red lamp under the display lights up.
• Alarm icon is shown in the display.
• Alarm relay is activated if AUX output is selected for
this.
• Comfort reduction according to selection in menu
5.1.4.
If there are several alarms, they are displayed one at a
time in numerical order. Scroll between the alarms using
the OK button.
Resetting the alarm
• Alarm number 1 – 39 resets automatically when the
sensor has functioned for 60 seconds or after manual
resetting in the menu.
• Alarm 54, manual resetting of the motor protection
breaker and manual resetting in the menu.
• Alarm 70 – 99 resets automatically when the commu-
nication is established.
• Alarms 236 – 244, 253, 258 - 259 are reset automatic-
ally when the sensor has functioned for 60 seconds
or after manual resetting in the menu.
• Alarm 255 is automatically reset when the input closes
again.
• Other alarms are reset manually in the menu.
Restarting F1345
In many cases, alarms can be rectified by completely
restarting the heat pump.
1.
Switch off F1345 using the switch on the display.
2.
Cut the power supply to F1345 using e.g. the main
switch.
3.
Leave F1345 disconnected for three minutes before
restoring the power.
4.
Start F1345 using the switch on the display.
NOTE
The alarm texts in the display vary depending
on how many heat pumps are connected to
the system.
Example: sensor fault -EB1yy _EPxx _BT3,
where "yy" is heat pump number and "xx" is
cooling module.
NOTE
Actions that require work behind the front
cover on F1345 must always be performed by
a person with the requisite expertise. If neces-
sary, contact a service technician/installer.
May be due to/checkHeat pump action.CauseAlarm text on the
display
Alarm
no.
• Open-circuit or short-cir-
cuit on sensor input.
• Defective sensor
Calculated supply temp is
set to min supply.
No contact with the sensor
(temperature sensor, out-
door).
Sensor flt:BT11
• Open-circuit or short-cir-
cuit on sensor input.
• Defective sensor
Compressor blocked during
hot water charging. "Max
condenser supply" is set to
"max return".
No contact with the sensor
(temperature sensor, heat-
ing medium return).
Sensor flt:BT33
• Open-circuit or short-cir-
cuit on sensor input.
• Defective sensor
Hot water charging is
blocked.
No contact with the sensor
(temperature sensor, hot
water charging).
Sensor flt:BT66
• Open-circuit or short-cir-
cuit on sensor input.
• Defective sensor
Compressor blocked.No contact with the sensor
(temperature sensor, brine
out).
Sens flt:BT1111
55Chapter 5 | Disturbances in comfortNIBE F1345