Troubleshooting - oventrop Regtronic RQ Installation And Operating Instructions For The Specialised Installer

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Troubleshooting

WARNING! Electric shock!
Upon opening the housing, live parts are exposed!
Î Always disconnect the controller from power sup-
ply before opening the housing!
The controller is protected by a fuse. The fuse holder (which also holds the spare
fuse) becomes accessible when the cover is removed. To replace the fuse, pull the
fuse holder from the base.
Directional pad flashes red.
Sensor fault. The error code !Sensor fault is
displayed instead of a temperature on the sensor
display channel.
Short circuit or line break
Disconnected temperature sensors can be checked
with an ohmmeter. Please check if the resistance
values correspond with the table.
°C °F Ω
Pt1000
-10 14 961
-5 23 980
0 32 1000
5 41 1019
10 50 1039
15 59 1058
20 68 1078
25 77 1097
30 86 1117
35 95 1136
40 104 1155
45 113 1175
50 122 1194
°C °F Ω
Pt1000
55 131 1213
60 140 1232
65 149 1252
70 158 1271
75 167 1290
80 176 1309
85 185 1328
90 194 1347
95 203 1366
100 212 1385
105 221 1404
110 230 1423
115 239 1442
If a malfunction occurs, a message will appear on the display of the controller.
fuse
The display is permanently off.
Press button ➄. Display illuminated?
no
Check the power supply of the controller. Is it dis-
connected?
no
The fuse of the controller could be
blown. The fuse holder (which holds
the spare fuse) becomes accessible
when the cover is removed. The
fuse can then be replaced.
yes
Controller has been in
standby, everything o.k.
yes
Check the supply line and recon-
nect it.
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