ES 5941Z

Troubleshooting support

7.2

Info message

Info display

The controller checks the status

of the plants and indicates errors.

This is a plausibility check of the

entries and is used for informa-

tional purposes in the event of

malfunctions.

Info code

Description

Possible cause

54

Thermal disinfection, temperature

not reached or not carried out.

n Primary temperature is too low.

n Tapping is in progress.

n No circulation flow or circula-

tion flow rate too low.

57

Maximum temperature for circula-

tion ZIR02 MAX TEMP CIRCULATION

exceeded.

253

Master not in sequence, eBUS

address of master not entered in

STN1 (04:022).

Incorrect basic setting

n STN1 (04:022) = 0

298

Lower switching threshold is set

lower than the minimum pump

speed.

Incorrect basic setting

n KAS05 (36:021) < STE01

(05-090)

318

Fresh water setpoint temperature

>

legionella protection temperature.

Incorrect basic setting

n BAS01 (05:051) > LEG01

(05:004).

321

Minimum temperature loss

> max-

imum temperature loss.

Incorrect basic setting

n STE12 (05:100) > STE14

(05-101).

322

Minimum tapping volume

> max-

imum tapping volume.

Incorrect basic setting

n STE13 (05:102) > STE15

(05:103).

7.3

Explanation of terms and abbreviations

E

ERROR

Total fault message

F

FRIWA

Primary pumps

H

h

Hours

I

48

03/2024 Item no. 215790 EA no. 1321