If you redeemed your Grubhub gift card and then your balance wouldn't load properly then something has gone wrong. You should figure out what before you place another Grubhub order. You should see if something went wrong with the card redemption, if you lost your internet connection, if there is a problem with Grubhub's server, and if someone used your account without your permission.
If you have a Grubhub gift card, you must redeem it and have the value applied to your Grubhub account as a credit in order to use it. If you tried to check your Grubhub account balance after you did that and the balance either wouldn't load or display correctly, you need to figure out why before you place another order with Grubhub.
If Grubhub's website freezes when you try to check your account's balance, a bad internet connection could be to blame. Without a good connection, your computer or other device can't resolve its request to Grubhub's server. Restore the connection and then try the balance check again.
If this wasn't the source of the problem then it's likely that Grubhub's server is. A server problem could keep it from sending your device the information it requested. Nothing you can do except wait for Grubhub's technical people to deal with it. If they don't, you should report the problem to Grubhub, which should get the process started.
If Grubhub's system displays a balance that is too low, an error could have happened when you redeemed the gift card. This is especially likely if this is your first balance check after you redeemed your gift card, and if the balance is low by exactly the amount that was on the card. Contact the Grubhub customer service department and tell a representative what happened and ask for help.
If there was no error with the redemption process then it's likely that somebody else has used your Grubhub account. Log in and look for recent orders you didn't place. If you find some, ask everyone who you allow to use your account if they placed those orders. If nobody did, someone is ordering on your account without permission. Change your Grubhub password before it happens again.
You should report any unauthorized access of your account to Grubhub's customer service people. They may be able to help you recover your funds, and they may even be able to discover who used your account. Contact them during normal business hours, as people from different departments may need to ask you questions.
If you need help or have questions to ask, you can call or chat with a Grubhub representative.
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