7.1 Troubleshooting table
P
Problem
Cause and solution
The pump does
not start.
• The thermo-overload protection in the single-
phase motor has tripped; it will automatically
reset when the motor cools down.
• Check the power supply wiring to see that the
connections are all tight
• Check to see that the circuit breaker or ground-
fault protection device has tripped. Or replace
any fuses that may have blown.
• Check to see if any protection device installed
for dry running protection has tripped or hung
up.
The pump starts
up but the ther-
mal protector is
triggered after a
short time or the
fuses blow.
• The power supply cable is damaged, the motor
short circuits or thermal protector or fuses are
not suited for the motor current. Check and re-
place the components as necessary.
• The thermo-overload protection (single phase)
or of the protection device (three-phase) trips
due to excessive current input. Check the
pump working conditions.
• A phase in the power supply is missing. Check
the power supply.
• The pump is clogged with solids and the impel-
ler becomes bound. Clean the pump.
The pump starts
but does not de-
liver any liquid.
• Air is entering the suction piping, check the liq-
uid level, the tightness of the suction pipes and
the operation of the foot valve.
• The pump is not correctly primed. Repeat the
instructions in
Prime the pump
(page 5).
The pump’s de-
livery is re-
duced.
• Check for restrictions in the piping system.
• Wrong rotation of the impeller (three-phase).
Check the direction of rotation.
• The pump is not correctly primed. Repeat the
instructions in
Prime the pump
(page 5).
8 Product warranty
Commercial warranty
Warranty. For goods sold to commercial buyers, Seller warrants the
goods sold to Buyer hereunder (with the exception of membranes,
seals, gaskets, elastomer materials, coatings and other "wear parts" or
consumables all of which are not warranted except as otherwise pro-
vided in the quotation or sales form) will be (i) be built in accordance
with the specifications referred to in the quotation or sales form, if such
specifications are expressly made a part of this Agreement, and (ii) free
from defects in material and workmanship for a period of one (1) year
from the date of installation or eighteen (18) months from the date of
shipment (which date of shipment shall not be greater than thirty (30)
days after receipt of notice that the goods are ready to ship), whichever
shall occur first, unless a longer period is specified in the product docu-
mentation (the “Warranty”).
Except as otherwise required by law, Seller shall, at its option and at no
cost to Buyer, either repair or replace any product which fails to con-
form with the Warranty provided Buyer gives written notice to Seller of
any defects in material or workmanship within ten (10) days of the date
when any defects or non-conformance are first manifest. Under either
repair or replacement option, Seller shall not be obligated to remove
or pay for the removal of the defective product or install or pay for the
installation of the replaced or repaired product and Buyer shall be re-
sponsible for all other costs, including, but not limited to, service costs,
shipping fees and expenses. Seller shall have sole discretion as to the
method or means of repair or replacement. Buyer’s failure to comply
with Seller’s repair or replacement directions shall terminate Seller’s
obligations under this Warranty and render the Warranty void. Any
parts repaired or replaced under the Warranty are warranted only for
the balance of the warranty period on the parts that were repaired or
replaced. Seller shall have no warranty obligations to Buyer with re-
spect to any product or parts of a product that have been: (a) repaired
by third parties other than Seller or without Seller’s written approval;
(b) subject to misuse, misapplication, neglect, alteration, accident, or
physical damage; (c) used in a manner contrary to Seller’s instructions
for installation, operation and maintenance; (d) damaged from ordina-
ry wear and tear, corrosion, or chemical attack; (e) damaged due to ab-
normal conditions, vibration, failure to properly prime, or operation
without flow; (f) damaged due to a defective power supply or improper
electrical protection; or (g) damaged resulting from the use of accesso-
ry equipment not sold or approved by Seller. In any case of products
not manufactured by Seller, there is no warranty from Seller; however,
Seller will extend to Buyer any warranty received from Seller’s supplier
of such products.
THE FOREGOING WARRANTY IS EXCLUSIVE AND IN LIEU OF ANY
AND ALL OTHER EXPRESS OR IMPLIED WARRANTIES, GUARANTEES,
CONDITIONS OR TERMS OF WHATEVER NATURE RELATING TO THE
GOODS PROVIDED HEREUNDER, INCLUDING WITHOUT LIMITATION
ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE, WHICH ARE HEREBY EXPRESSLY DIS-
CLAIMED AND EXCLUDED. EXCEPT AS OTHERWISE REQUIRED BY
LAW, BUYER’S EXCLUSIVE REMEDY AND SELLER’S AGGREGATE LIA-
BILITY FOR BREACH OF ANY OF THE FOREGOING WARRANTIES ARE
LIMITED TO REPAIRING OR REPLACING THE PRODUCT AND SHALL
IN ALL CASES BE LIMITED TO THE AMOUNT PAID BY THE BUYER FOR
THE DEFECTIVE PRODUCT. IN NO EVENT SHALL SELLER BE LIABLE
FOR ANY OTHER FORM OF DAMAGES, WHETHER DIRECT, INDIRECT,
LIQUIDATED, INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY
OR SPECIAL DAMAGES, INCLUDING BUT NOT LIMITED TO LOSS OF
PROFIT, LOSS OF ANTICIPATED SAVINGS OR REVENUE, LOSS OF IN-
COME, LOSS OF BUSINESS, LOSS OF PRODUCTION, LOSS OF OP-
PORTUNITY OR LOSS OF REPUTATION.
Limited consumer warranty
Warranty. For goods sold for personal, family or household purposes,
Seller warrants the goods purchased hereunder (with the exception of
membranes, seals, gaskets, elastomer materials, coatings and other
"wear parts" or consumables all of which are not warranted except as
otherwise provided in the quotation or sales form) will be free from de-
fects in material and workmanship for a period of one (1) year from the
date of installation or eighteen (18) months from the product date
code, whichever shall occur first, unless a longer period is provided by
law or is specified in the product documentation (the “Warranty”).
Except as otherwise required by law, Seller shall, at its option and at no
cost to Buyer, either repair or replace any product which fails to con-
form with the Warranty provided Buyer gives written notice to Seller of
any defects in material or workmanship within ten (10) days of the date
when any defects or non-conformance are first manifest. Under either
repair or replacement option, Seller shall not be obligated to remove
or pay for the removal of the defective product or install or pay for the
installation of the replaced or repaired product and Buyer shall be re-
sponsible for all other costs, including, but not limited to, service costs,
shipping fees and expenses. Seller shall have sole discretion as to the
method or means of repair or replacement. Buyer’s failure to comply
with Seller’s repair or replacement directions shall terminate Seller’s
obligations under this Warranty and render this Warranty void. Any
parts repaired or replaced under the Warranty are warranted only for
the balance of the warranty period on the parts that were repaired or
replaced. The Warranty is conditioned on Buyer giving written notice to
Seller of any defects in material or workmanship of warranted goods
within ten (10) days of the date when any defects are first manifest.
Seller shall have no warranty obligations to Buyer with respect to any
product or parts of a product that have been: (a) repaired by third par-
ties other than Seller or without Seller’s written approval; (b) subject to
misuse, misapplication, neglect, alteration, accident, or physical dam-
age; (c) used in a manner contrary to Seller’s instructions for installa-
tion, operation and maintenance; (d) damaged from ordinary wear and
tear, corrosion, or chemical attack; (e) damaged due to abnormal con-
ditions, vibration, failure to properly prime, or operation without flow;
(f) damaged due to a defective power supply or improper electrical
protection; or (g) damaged resulting from the use of accessory equip-
ment not sold or approved by Seller. In any case of products not manu-
factured by Seller, there is no warranty from Seller; however, Seller will
extend to Buyer any warranty received from Seller’s supplier of such
products.
THE FOREGOING WARRANTY IS PROVIDED IN PLACE OF ALL OTHER
EXPRESS WARRANTIES. ALL IMPLIED WARRANTIES, INCLUDING BUT
NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED TO ONE
(1) YEAR FROM THE DATE OF INSTALLATION OR EIGHTEEN (18)
MONTHS FROM THE PRODUCT DATE CODE , WHICHEVER SHALL
OCCUR FIRST. EXCEPT AS OTHERWISE REQUIRED BY LAW, BUYER’S
8 Product warranty
12
Model e-HM Installation, Operation, and Maintenance Manual
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