Lauda ECO Silver E 4 S, Operation Manual

Page: 61 / 128

10/2019 i
ECO Silver 61 / 124
8.4 Fault finding
Before you contact the LAUDA Service Constant Temperature Equipment (

8.7), check whether you can rectify
the problem yourself with the following 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 the repair 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 the repair 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 the repair 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.