JULABO LH 85 High Dynamic Temperature System - Manual (Page 72)

Remote control
72
-14 TEMPERATURE/LEVEL ALARM Safety temperature alarm
Low liquid level alarm
-15 EXTERNAL SENSOR ALARM External control selected, but external Pt100 sensor
not connected.
-16 TRIAC/RELAY CONNECTION OPEN Heating circuit interrupted.
-17 TRIAC SHORTED Heating circuit short-circuited.
-20 WARNING: CLEAN CONDENSOR OR
CHECK COOLING WATER CIRCUIT
OF REFRIGERATOR
Cooling of the condenser is affected.
Clean air-cooled condenser.
Check the flow rate and cooling water temperature on
water-cooled condenser.
-21 WARNING: COMPRESSOR STAGE 1
DOES NOT WORK
Compressor stage 1 does not work.
Check mains circuit breakers F1 and F3, both might
have triggered.
Reset circuit breakers if necessary.
-26 WARNING: STAND-BY PLUG IS
MISSING
External stand-by contact is open.
Stand-by input - see pages 44 and 6.
-31 INTERNAL COMMUNICATION
ERROR
Communication between remote module RD and
instrument interrupted.
-40 NIVEAU LEVEL WARNING Low liquid level warning in the internal reservoir.
-41 HIGH LIQUID LEVEL WARNING High liquid level warning in the internal reservoir.