86
-63
-67
-68
-69
-75
-76
-77
Pump pressure
has dropped
No
pump pressure
seen over a
longer time period
No valid measured values of the
internal sensor
No valid measured values of the
process sensor
Difference
between control
sensor – OT sensor is very large
Level
has dropped: Com.G@te
HT Pressostat
switch has
tripped
Expansion tank
temperature too
high
Activate air purging, degassing program. Please see
corresponding chapters in the instruction manual.
Activate air purging, degassing program. Please see
corresponding chapters in the instruction manual.
Please contact us or our service partners
Please contact us or our service partners
Improve thermoregulation by increasing pump speed,
increase internal cross section of the hoses
Check level which is monitored by the external float
switch
Please see that there is sufficient air and water supply
Please see chapter on setting the over-temperature
switch.
-86
-87
-88
-89
-90
-91
-99
-127
Current increase
measured on
heating though NTR open. NTR
Current flow
when heating is off
Opto SSR defect?
No sufficient
current flow
seen
for main heating
No sufficient
current flow
seen
for fine heating
Main heating
current
too high
despite switch off
Machine type not recognised
Mains isolation relay (NTR)
is
sticking.
Over-temperature sensor 1
short
circuit
Please contact us or our service partners
Please contact us or our service partners
Please contact us or our service partners
Please contact us or our service partners
Please contact us or our service partners
Please contact us or our service partners
Please contact us or our service partners
Please contact us or our service partners
-128
-130
-131
Over-temperature sensor 1
cable
break
Over-temperarue sensor 2
short
circuit
Over-temperature sensor 2
wire
break
Please contact us or our service partners
Please contact us or our service partners
Please contact us or our service partners
-133
Over-temperature sensor 3
short
circuit
Please contact us or our service partners
-134
Over-temperature sensor 3
cable
break
Please contact us or our service partners
-74