Labormat SD, TH
17. Troubleshooting
Fault
Cause
Device shows no
Connection to the
function
power supply
Defective connection
cable
Main switch
Mains network
Main switch lights up,
24-hour timer is in
device without function
operation
Internal cabling
interrupted
Safety switch is
triggered
Heating without
Thermostat setting
function
Thermostat is defective
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Remedy
Establish the plug
connection, replacing
the plug if necessary
Examine the connection
cable, replacing if
necessary
Examine the main
switch, replacing if
necessary
Check mains network/
output, 230 V~/ 50 Hz
or 220 V~/ 60 Hz,
adapting if necessary.
Check fuse 16 A fuse
Wait until the clock
expires
Check cables, terminals,
cable lugs + connections.
Remove cover
Activate safety switch
See instructions for
activating
Set the desired temper-
ature on the thermostat
Examine the thermostat,
replacing if necessary;
remove cover to replace
defective part
Fault
Cause
Relay/Contactor is
defective
Heating is defective
Safety switch is
triggered
Device does not heat
Thermostat is defective
properly; temperature
or set incorrectly
is wrong
Relay / Contactor is
defective
Device makes noises
Thermostat is defective
Relay / Contactor is
defective
Compensating capaci-
tor is defective
Pump without function
Water temperature of
65 °C not reached yet
Timer is defective or
blocked
Remedy
Examine the relay/
contactor, replacing if
necessary
Examine the heating,
replacing if necessary
Activate the safety
switch (see instructions
for activation)
Examine the thermostat,
readjusting or replacing
if necessary
Examine the relay/
contactor, replacing if
necessary
Examine the thermo-
stat, replacing if neces-
sary (remove cover to
replace defective parts)
Examine the relay/con-
tactor, replacing if nec-
essary
Replace compensating
capacitor
Wait until temperature
level of 65 °C is reached
Examine the timer,
replacing if necessary
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