Lauda RE 415 G - Fault Finding

09/2021 ECO Gold 61 / 134
8.4 Fault finding
Before you contact the LAUDA Service ( 8.7), check whether you can rectify the problem yourself with the fol-
lowing instructions.
In doing so, follow all this safety information:
Warning!
Live parts when fault finding
Electric shock hazard
 Disconnect the device from the mains before the repair
(e.g. when changing components).
 Have repairs carried out only by a specialist.
Warning!
Rotating / live parts when removing the ventilator fan
Cuts, crushing, electric shock hazard
 Disconnect the device from the mains before the repair.
 Have repairs carried out only by a specialist.
Warning!
Uncontrolled start-up on release of jammed pump
Crushing, electric shock hazard
 Disconnect the device from the mains before the repair.
 Have repairs carried out only by a specialist.
Caution!
Critical temperature of device parts, heat transfer liquid or accesso-
ries (hoses)
Burns, scalds, frostbite
 Bring the device parts, accessories and heat transfer liquid
to room temperature before touching them.
 Have repairs carried out only by a specialist.
 Affix the symbol "Hot surface".
Fault
Possible remedy
Device does not cool
Dirty condenser  Clean condenser ( 8.3.4).
Temperature limit Til too high  Reduce temperature limit Til ( 7.4.5).
Device does not heat up
Temperature limit Tih too low  Increase temperature limit Tih ( 7.4.5).
Device does not pump
Check selector switch for proportioning external and internal pump flow ( 6.1); pump
blocked by foreign bodies.