Technical Data; Faults - Bosch EasyControl Operating Manual

Technical data

7 Technical data
Volume
Voltage supply
Nominal electrical load
Dimensions (width x height x
depth)
Weight
Permissible ambient temperature
range
Max. storage temperature
Permissible relative humidity
IP classification
Table 2 Technical data, module
8

Faults

LED Error
Blinking No boiler detected. ▶ Turn on the boiler.
alternating red
and blue
Constantly red Short circuit
connection to the
thermostat.
No communication
with the boiler.
Constantly blue No communication
with the
thermostat.
Out No power.
Table 4 Malfunctions
22
Unit Value
V 20
DC
W < 2.5
mm 134 × 115 ×
37
g 230
°C 0 - 50
°C 0 - 60
% 10 - 90
IP20
Solution
▶ Check the cable clamps between the power adaptor and the connection to the boiler.
▶ Check the 2-wire cable.
▶ Refer to the boiler installation instructions.
The boiler is turned off:
▶ Turn on the boiler.
▶ Check all connections.
The boiler is switched on:
▶ Remove the EasyControl adaptor power adaptor from the socket, wait at least
10 seconds, and reconnect it.
▶ Turn on the boiler.
▶ Check the cable clamps between the power adaptor and the thermostat.
▶ Check the 2-wire cable to the thermostat.
▶ Connect the EasyControl adaptor power supply.
▶ Replace the power adaptor.
Volume
Contact load (min.) @ 18V
Contact load (max.) @ 250V
Cable diameter (max.)
Cable length (max.) EasyControl adaptor
- boiler
Cable length (max.) EasyControl adaptor
- thermostat
Table 3 Technical data, zero volt contact
EasyControl Adapter – 6720888197 (2018/07)
Unit
mA
DC
A
AC
2
mm
m
m
Value
10
5
2.5
3
100