Troubleshooting; Error Codes; Blocking - REMEHA Quinta Pro series Installation, User And Service Manual

11 Troubleshooting

11 Troubleshooting

11.1 Error codes

Fig.64 Blocking code
AD-0000089-01
Blocking code Description
Parameter error
Maximum flow temperature
exceeded
Maximum increase of the flow
temperature has been excee­
ded
Maximum difference between
the flow and return tempera­
ture exceeded
No release signal
Phase and neutral of mains
supply mixed up
64
The boiler is fitted with an electronic regulation and control unit. The heart
of the control is a microprocessor, the Comfort Master
tects and controls the boiler. In the event of an error, a corresponding
code is displayed.
The meaning of the error codes can be found in the error table.
Note
Note the error code displayed. The error code is needed to find
the cause of the error quickly and correctly and for any support
from Remeha.

11.1.1 Blocking

A (temporary) blocking mode is a boiler status, resulting from an abnormal
state. The display shows a blocking code (for example
trol unit makes a number of attempts to start the boiler again. The blocking
codes can be read out as follows:
1. Press the two
2. Confirm by pressing key
The display alternates between
3. Press the key.
appears on the display.
Note
The boiler automatically returns to operation once the cause of the
blocking has been removed.
Tab.31 Blocking codes
Possible cause
Parameter error on the PSU
PCB
No flow or insufficient flow
No flow or insufficient flow
Sensor error
No flow or insufficient flow
Sensor error
External cause
Parameter error
Bad connection
Mains supply incorrectly
wired
Floating network or 2-phase
network
keys at the same time.
.
and the blocking code
Check/solution
Reset and
Restore parameters with Recom
Check the flow (direction, pump, valves)
Reasons for the heat demand
Check the flow (direction, pump, valves)
Check the water pressure
Check that the sensors are operating cor­
rectly
Check that the sensor has been fitted prop­
erly
Check the cleanliness of the heat exchang­
er
Check the flow (direction, pump, valves)
Check the water pressure
Check that the sensors are operating cor­
rectly
Check that the sensor has been fitted prop­
erly
Check the cleanliness of the heat exchang­
er
Remove external cause
Check parameters
Check the wiring
Invert phase and neutral
Set parameter
©
, which both pro­
). The con­
.
to
123157 - v.06 - 24022015