BA_GMLW OTE bis V3.4 SHORT_EN_20090408_V1
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Trouble shooting, continued
8. Hot water temperature not
reached
Heat exchanger (hot water) too small
Enlarge surface area
Heat exchanger (hot water) chalked
Contact installer, clean, decalcify
Wrong sensor positioning
Position correctly
Pipework too small
Install larger pipes
Hot water sensor defect
Repair or replace
Hot water charge pump defect
Repair or replace
Performance of boiler pump to low
Set pump performance higher
3-way valve defect
Repair or replace
9. Heat pump runs constantly but
brings little warmth, oily substance
on unit
Refrigerant leak: Connections in the
refrigerant circuit not tight/leak-proof
Shut-off heat pump, contact customer
service
10. Operation condition (Utility
block)
11. Phase failure
Utility blocking time active
Compressor rotates in the wrong
direction
(at relay K7 the LED DEF is lit)
Contact electrician to change wiring, test to
ensure proper rotation direction
Phase failure
(at relay K7 the LED DEF is lit)
Contact electrician to test the electricity
supply
Phase shifting
(at relay K7 the LED ASY is lit)
Contact electrician to test the electricity
supply, the phase shift can be adjusted by
up to 20%, but CAUTION, if damage
occurs through this, the guarantee is void!
Table. 4: Trouble shooting chart 2
Only instructed persons are allowed to correct failures and to change the settings !
The controller basic adjustment takes place in the context of commissioning via the special-
ist. For possible corrections and program attitudes the operator/responsible person is re-
sponsible!
Further error reports
Æ
see Operating Instructions for control
ANNEX
