Instructions / Assembly

OPERATION
Troubleshooting
www.stiebel-eltron-usa.com Accelera® 220-300 E | 19
ENGLISH
7.1.2 Fault code menu 2
Fault
code
Service
symbol
Fault description Remedy
E 2 flashing The temperature sensor on the
evaporator is faulty.
Notify a qualified con-
tractor.
E 16 contin-
uously
illumi-
nated
The high pressure limiter
has responded. Compressor
heating mode is temporarily
blocked. Compressor heating
mode will continue as soon as
the pressure has normalized.
Wait until the pressure
has normalized.
E 32 contin-
uously
illumi-
nated
An electrical fault has occurred. Call Stiebel Eltron for
more information if this
error occurs.
E 64 flashing Evaporator temperature < mini-
mum evaporator temperature
Notify a qualified con-
tractor.
E 128 flashing A permanent pressure switch
fault has occurred. A pressure
fault occurred multiple times
within a defined pressure fault
evaluation time.
Notify a qualified con-
tractor.
If more than a single fault occurs, the fault codes gets summed.
Example: If both the dome sensor and integral sensor failed, the
display shows fault code6(=2+4).
Application scenarios for emergency mode
If the appliance shows fault code8, you can manually activate
emergency mode. If a different fault occurred previously, but did
not cause the appliance to switch off, the display may show a fault
code that is the result of several faults added together.
Listed below are the fault codes which will allow you to activate
emergency mode.
Fault code displayed Individual fault code(s)
8 8
10 Fault code 8 + fault code 2
12 8+4
24 8+16
26 8+2+16
28 8+4+16
138 8+2+128
140 8+4+128
152 8+16+128
154 8+2+16+128
156 8+4+16+128
When the appliance is operating in emergency backup mode, the
fault code shown is increased by 256.
Fault code displayed in
emergency backup mode
Individual fault code(s)
264 8+256
266 8+2+256
268 8+4+256
280 8+16+256
282 8+2+16+256
284 8+4+16+256
394 8+2+128+256
396 8+4+128-256
408 8+16+128+256
410 8+2+16+128+256
412 8+4+16+128+256
Notifying a qualified contractor
If you cannot remedy the fault, notify your qualified contractor. To
facilitate and speed up your request, provide the serial number
from the type plate (000000-0000-00000). The type plate can be
found on the appliance above the "DHW outlet" connection.
Sample type plate
000000-0000-00000
D0000035352
1
0
0
0
0
0
0
0
0
1 Serial number on the type plate