Troubleshooting - Pfannenberg EB Series Operating And Maintenance Instructions Manual

EN

8. Troubleshooting

DANGER
Life-threatening danger due to electric shock
Live units and exposed connection cables can generate an electric shock and cause severe accidents.
Work on electrical connections must be carried out exclusively by trained, qualified electricians.
Before assembly, de-energize all supply lines to the separate fuse or a main switch, disconnect the system and
secure to prevent re-connection.
Test to ensure the absence of voltage on the unit.
DANGER
Life-threatening danger due to refrigerant under pressure or high/low refrigerant temperature
Work on refrigerant circuits must be carried out exclusively by trained, qualified personnel.
DANGER
Life-threatening danger due to toxicity of refrigerant, coolant and oil
Work on refrigerant circuits must be carried out exclusively by trained, qualified personnel.
Work on hydraulic circuits must be carried out exclusively by trained, qualified personnel.
CAUTION
Coolant under pressure
Work on hydraulic circuits must be carried out exclusively by trained, qualified personnel.
CAUTION
Undefined operating status
To avoid an undefined operating status, a functional restriction or a device fault, after switching OFF the chiller,
wait for about 30 seconds before turning it ON again.
CAUTION
Follow all electrical legislation when working on the unit based on valid laws of the countries were the unit is
placed.
Operating and Maintenance Instructions - Chiller - Series EB 210 - EB 440 © Pfannenberg GmbH Page 90 / 293